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CISA Known Exploited Vulnerabilities

The CISA KEV Catalogue, Searchable

Every flaw attackers are known to be using: what it is, how bad, and what fixes it.

Flaws on the list
1,779
Added in 30 days
40
Used in ransomware
361
In web & server software
181

Latest addition 10 Nov 2026. Checked 12 Nov 2026, 14:04 UTC. The catalogue in numbers ›

117 flaws matching "Microsoft", newest first · page 1 of 3. Clear

1 Jul 2026 Microsoft SharePoint Server Remote code execution CVE-2026-45659 8.8 Ransomware

Deserialization of untrusted data in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.

What to do
Apply the vendor's update or fix (see the vendor advisory below). If you can't, take it off the internet or stop using it until you can.
Fixed in (NVD)
microsoft sharepoint server 16.0.19725.20280
CISA due date
4 Jul 2026
Weakness
CWE-502

NVD Record · Vendor Advisory

22 Apr 2026 Microsoft Defender Access control flaw CVE-2026-33825 7.8 Ransomware

Insufficient granularity of access control in Microsoft Defender allows an authorized attacker to elevate privileges locally.

What to do
Apply the vendor's update or fix (see the vendor advisory below). If you can't, take it off the internet or stop using it until you can.
Fixed in (NVD)
microsoft defender antimalware platform 4.18.26030.3011
CISA due date
6 May 2026
Weakness
CWE-1220

NVD Record · Vendor Advisory

13 Apr 2026 Microsoft Windows Path traversal CVE-2025-60710 7.8 Ransomware

Improper link resolution before file access ('link following') in Host Process for Windows Tasks allows an authorized attacker to elevate privileges locally.

What to do
Apply the vendor's update or fix (see the vendor advisory below). If you can't, take it off the internet or stop using it until you can.
Fixed in (NVD)
microsoft windows server 2025 10.0.26100.7392, microsoft windows 11 25h2 10.0.26200.7392, microsoft windows 11 24h2 10.0.26100.7392
CISA due date
27 Apr 2026
Weakness
CWE-59

NVD Record · Vendor Advisory

13 Apr 2026 Microsoft Exchange Server Remote code execution CVE-2023-21529 8.8 Ransomware

Microsoft Exchange Server Remote Code Execution Vulnerability

What to do
Apply the vendor's update or fix (see the vendor advisory below). If you can't, take it off the internet or stop using it until you can.
CISA due date
27 Apr 2026
Weakness
CWE-502

NVD Record · Vendor Advisory

6 Oct 2025 Microsoft Windows Security flaw CVE-2021-43226 7.8 Ransomware

Windows Common Log File System Driver Elevation of Privilege Vulnerability

What to do
Apply the vendor's update or fix (see the vendor advisory below). If you can't, take it off the internet or stop using it until you can.
Fixed in (NVD)
microsoft windows server 2019 10.0.17763.2366, microsoft windows server 2016 10.0.14393.4825, microsoft windows server 2004 10.0.19041.1415, microsoft windows 11 21h2 10.0.22000.376, microsoft windows 10 2004 10.0.19041.1415 and 7 older
CISA due date
27 Oct 2025

NVD Record · Vendor Advisory

22 Jul 2025 Microsoft SharePoint Authentication bypass CVE-2025-49706 6.5 Ransomware

Improper authentication in Microsoft Office SharePoint allows an unauthorized attacker to perform spoofing over a network.

What to do
Apply the vendor's update or fix (see the vendor advisory below). If you can't, take it off the internet or stop using it until you can.
Fixed in (NVD)
microsoft sharepoint server 16.0.18526.20424
CISA due date
23 Jul 2025
Weakness
CWE-287

NVD Record · Vendor Advisory · Advisory 2 · Advisory 3

22 Jul 2025 Microsoft SharePoint Remote code execution CVE-2025-49704 8.8 Ransomware

Improper control of generation of code ('code injection') in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.

What to do
Apply the vendor's update or fix (see the vendor advisory below). If you can't, take it off the internet or stop using it until you can.
CISA due date
23 Jul 2025
Weakness
CWE-94

NVD Record · Vendor Advisory · Advisory 2

20 Jul 2025 Microsoft SharePoint Remote code execution CVE-2025-53770 9.8 Ransomware

Deserialization of untrusted data in on-premises Microsoft SharePoint Server allows an unauthorized attacker to execute code over a network. Microsoft is aware that an exploit for CVE-2025-53770 exists in the wild. Microsoft is preparing and fully testing a comprehensive update to address this vulnerability. In the meantime, please make sure that the mitigation provided in this CVE documentation is in place so that you are protected from exploitation.

What to do
Apply the vendor's update or fix (see the vendor advisory below). If you can't, take it off the internet or stop using it until you can.
Fixed in (NVD)
microsoft sharepoint server 16.0.18526.20508
CISA due date
21 Jul 2025
Weakness
CWE-502

NVD Record · Vendor Advisory · Advisory 2

8 Apr 2025 Microsoft Windows Memory corruption CVE-2025-29824 7.8 Ransomware

Use after free in Windows Common Log File System Driver allows an authorized attacker to elevate privileges locally.

What to do
Apply the vendor's update or fix (see the vendor advisory below). If you can't, take it off the internet or stop using it until you can.
Fixed in (NVD)
microsoft windows server 2022 23h2 10.0.25398.1551, microsoft windows server 2022 10.0.20348.3453, microsoft windows server 2019 10.0.17763.7136, microsoft windows server 2016 10.0.14393.7969, microsoft windows 11 24h2 10.0.26100.3775 and 7 older
CISA due date
29 Apr 2025
Weakness
CWE-416

NVD Record · Vendor Advisory

11 Mar 2025 Microsoft Windows Security flaw CVE-2025-26633 7.0 Ransomware

Improper neutralization in Microsoft Management Console allows an unauthorized attacker to bypass a security feature locally.

What to do
Apply the vendor's update or fix (see the vendor advisory below). If you can't, take it off the internet or stop using it until you can.
Fixed in (NVD)
microsoft windows server 2022 23h2 10.0.25398.1486, microsoft windows server 2022 10.0.20348.3270, microsoft windows server 2019 10.0.17763.7009, microsoft windows server 2016 10.0.14393.7876, microsoft windows 11 24h2 10.0.26100.3403 and 7 older
CISA due date
1 Apr 2025
Weakness
CWE-707

NVD Record · Vendor Advisory

3 Mar 2025 Microsoft Windows Denial of service CVE-2018-8639 7.8 Ransomware

An elevation of privilege vulnerability exists in Windows when the Win32k component fails to properly handle objects in memory, aka "Win32k Elevation of Privilege Vulnerability." This affects Windows 7, Windows Server 2012 R2, Windows RT 8.1, Windows Server 2008, Windows Server 2019, Windows Server 2012, Windows 8.1, Windows Server 2016, Windows Server 2008 R2, Windows 10, Windows 10 Servers. This CVE ID is unique from CVE-2018-8641.

What to do
Apply the vendor's update or fix (see the vendor advisory below). If you can't, take it off the internet or stop using it until you can.
CISA due date
24 Mar 2025
Weakness
CWE-404

NVD Record · Vendor Advisory

12 Nov 2024 Microsoft Windows Authentication bypass CVE-2024-49039 8.8 Ransomware

Windows Task Scheduler Elevation of Privilege Vulnerability

What to do
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Fixed in (NVD)
microsoft windows server 2022 23h2 10.0.25398.1251, microsoft windows server 2022 10.0.20348.2849, microsoft windows server 2019 10.0.17763.6532, microsoft windows server 2016 10.0.14393.7515, microsoft windows 11 24h2 10.0.26100.2314 and 7 older
CISA due date
3 Dec 2024
Weakness
CWE-287

NVD Record · Vendor Advisory

22 Oct 2024 Microsoft SharePoint Remote code execution CVE-2024-38094 7.2 Ransomware

Microsoft SharePoint Remote Code Execution Vulnerability

What to do
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
CISA due date
12 Nov 2024
Weakness
CWE-502

NVD Record · Vendor Advisory

15 Oct 2024 Microsoft Windows Race condition CVE-2024-30088 7.0 Ransomware

Windows Kernel Elevation of Privilege Vulnerability

What to do
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Fixed in (NVD)
microsoft windows server 2022 23h2 10.0.25398.950, microsoft windows server 2022 10.0.20348.2522, microsoft windows server 2019 10.0.17763.5936, microsoft windows server 2016 10.0.14393.7070, microsoft windows 11 23h2 10.0.22631.3737 and 7 older
CISA due date
5 Nov 2024
Weakness
CWE-367

NVD Record · Vendor Advisory

18 Sep 2024 Microsoft SQL Server Remote code execution CVE-2020-0618 8.8 Ransomware

A remote code execution vulnerability exists in Microsoft SQL Server Reporting Services when it incorrectly handles page requests, aka 'Microsoft SQL Server Reporting Services Remote Code Execution Vulnerability'.

What to do
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
CISA due date
9 Oct 2024
Weakness
CWE-502

NVD Record · Vendor Advisory

13 Jun 2024 Microsoft Windows Privilege escalation CVE-2024-26169 7.8 Ransomware

Windows Error Reporting Service Elevation of Privilege Vulnerability

What to do
Apply updates per vendor instructions or discontinue use of the product if updates are unavailable.
Fixed in (NVD)
microsoft windows server 2022 23h2 10.0.25398.763, microsoft windows server 2022 10.0.20348.2333, microsoft windows server 2019 10.0.17763.5576, microsoft windows 11 23h2 10.0.22631.3296, microsoft windows 11 22h2 10.0.22621.3296 and 6 older
CISA due date
4 Jul 2024
Weakness
CWE-269

NVD Record

14 May 2024 Microsoft DWM Core Library Memory corruption CVE-2024-30051 7.8 Ransomware

Windows DWM Core Library Elevation of Privilege Vulnerability

What to do
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Fixed in (NVD)
microsoft windows server 2022 10.0.20348.2458, microsoft windows server 2019 10.0.17763.5820, microsoft windows server 2016 10.0.14393.6981, microsoft windows 11 23h2 10.0.22631.3593, microsoft windows 11 22h2 10.0.22621.3593 and 6 older
CISA due date
4 Jun 2024
Weakness
CWE-122

NVD Record

26 Mar 2024 Microsoft SharePoint Server Remote code execution CVE-2023-24955 7.2 Ransomware

Microsoft SharePoint Server Remote Code Execution Vulnerability

What to do
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
CISA due date
16 Apr 2024
Weakness
CWE-94

NVD Record

4 Mar 2024 Microsoft Windows Memory corruption CVE-2024-21338 7.8 Ransomware

Windows Kernel Elevation of Privilege Vulnerability

What to do
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Fixed in (NVD)
microsoft windows server 2022 10.0.20348.2322, microsoft windows server 2019 10.0.17763.5458, microsoft windows 11 23h2 10.0.22631.3155, microsoft windows 11 22h2 10.0.22621.3155, microsoft windows 11 21h2 10.0.22000.2777 and 3 older
CISA due date
25 Mar 2024
Weakness
CWE-822

NVD Record

13 Feb 2024 Microsoft Windows Security flaw CVE-2024-21412 8.1 Ransomware

Internet Shortcut Files Security Feature Bypass Vulnerability

What to do
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Fixed in (NVD)
microsoft windows server 2022 23h2 10.0.25398.709, microsoft windows server 2022 10.0.20348.2322, microsoft windows server 2019 10.0.17763.5458, microsoft windows 11 23h2 10.0.22631.3155, microsoft windows 11 22h2 10.0.22621.3155 and 4 older
CISA due date
5 Mar 2024
Weakness
CWE-693

NVD Record

10 Jan 2024 Microsoft SharePoint Server Security flaw CVE-2023-29357 9.8 Ransomware

Microsoft SharePoint Server Elevation of Privilege Vulnerability

What to do
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
CISA due date
31 Jan 2024
Weakness
CWE-303

NVD Record

17 Jul 2023 Microsoft Windows Race condition CVE-2023-36884 7.5 Ransomware

Windows Search Remote Code Execution Vulnerability

What to do
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Fixed in (NVD)
microsoft windows server 2022 10.0.20348.1903, microsoft windows server 2019 10.0.17763.4737, microsoft windows server 2016 10.0.14393.6167, microsoft windows 11 22h2 10.0.22621.2134, microsoft windows 11 21h2 10.0.22000.2295 and 5 older
CISA due date
29 Aug 2023
Weakness
CWE-362

NVD Record

11 Apr 2023 Microsoft Windows Memory corruption CVE-2023-28252 7.8 Ransomware

Windows Common Log File System Driver Elevation of Privilege Vulnerability

What to do
Apply updates per vendor instructions.
Fixed in (NVD)
microsoft windows 11 22h2 10.0.22621.1555, microsoft windows 11 21h2 10.0.22000.1817, microsoft windows 10 1809 10.0.17763.4252, microsoft windows 10 1607 10.0.14393.5850, microsoft windows 10 1507 10.0.10240.19869 and 3 older
CISA due date
2 May 2023
Weakness
CWE-122

NVD Record

7 Apr 2023 Microsoft Windows Privilege escalation CVE-2019-1388 7.8 Ransomware

An elevation of privilege vulnerability exists in the Windows Certificate Dialog when it does not properly enforce user privileges, aka 'Windows Certificate Dialog Elevation of Privilege Vulnerability'.

What to do
Apply updates per vendor instructions.
CISA due date
28 Apr 2023
Weakness
CWE-269

NVD Record

14 Mar 2023 Microsoft Windows Access control flaw CVE-2023-24880 4.4 Ransomware

Windows SmartScreen Security Feature Bypass Vulnerability

What to do
Apply updates per vendor instructions.
Fixed in (NVD)
microsoft windows server 2022 10.0.20348.1602, microsoft windows server 2019 10.0.17763.4131, microsoft windows server 2016 10.0.14393.5786, microsoft windows 11 22h2 10.0.22000.1413, microsoft windows 11 21h2 10.0.22000.1696 and 5 older
CISA due date
4 Apr 2023
Weakness
CWE-863

NVD Record

14 Feb 2023 Microsoft Windows Memory corruption CVE-2023-23376 7.8 Ransomware

Windows Common Log File System Driver Elevation of Privilege Vulnerability

What to do
Apply updates per vendor instructions.
Fixed in (NVD)
microsoft windows server 2022 10.0.20348.1540, microsoft windows server 2019 10.0.17763.4010, microsoft windows server 2016 10.0.14393.5717, microsoft windows 11 22h2 10.0.22621.1265, microsoft windows 11 21h2 10.0.22000.1574 and 6 older
CISA due date
7 Mar 2023
Weakness
CWE-122

NVD Record

10 Jan 2023 Microsoft Exchange Server Security flaw CVE-2022-41080 8.8 Ransomware

Microsoft Exchange Server Elevation of Privilege Vulnerability

What to do
Apply updates per vendor instructions.
CISA due date
31 Jan 2023

NVD Record

13 Dec 2022 Microsoft Defender Security flaw CVE-2022-44698 5.4 Ransomware

Windows SmartScreen Security Feature Bypass Vulnerability

What to do
Apply updates per vendor instructions.
Fixed in (NVD)
microsoft windows server 2022 10.0.20348.1366, microsoft windows server 2019 10.0.17763.3770, microsoft windows server 2016 10.0.14393.5582, microsoft windows 11 21h2 10.0.22000.1335, microsoft windows 10 1809 10.0.17763.3770 and 5 older
CISA due date
3 Jan 2023
Weakness
CWE-755

NVD Record

8 Nov 2022 Microsoft Windows Access control flaw CVE-2022-41091 5.4 Ransomware

Windows Mark of the Web Security Feature Bypass Vulnerability

What to do
Apply updates per vendor instructions.
Fixed in (NVD)
microsoft windows server 2022 10.0.20348.1249, microsoft windows server 2019 10.0.17763.3650, microsoft windows server 2016 10.0.14393.5501, microsoft windows 11 22h2 10.0.22621.819, microsoft windows 11 21h2 10.0.22000.1219 and 7 older
CISA due date
9 Dec 2022
Weakness
CWE-863

NVD Record

8 Nov 2022 Microsoft Windows Memory corruption CVE-2022-41073 7.8 Ransomware

Windows Print Spooler Elevation of Privilege Vulnerability

What to do
Apply updates per vendor instructions.
Fixed in (NVD)
microsoft windows server 2022 10.0.20348.1249, microsoft windows server 2019 10.0.17763.3650, microsoft windows server 2016 10.0.14393.5501, microsoft windows 11 22h2 10.0.22621.819, microsoft windows 11 21h2 10.0.22000.1219 and 7 older
CISA due date
9 Dec 2022
Weakness
CWE-787

NVD Record

30 Sep 2022 Microsoft Exchange Server Remote code execution CVE-2022-41082 8.0 Ransomware

Microsoft Exchange Server Remote Code Execution Vulnerability

What to do
Apply updates per vendor instructions.
CISA due date
21 Oct 2022
Weakness
CWE-502

NVD Record

30 Sep 2022 Microsoft Exchange Server Server-side request forgery CVE-2022-41040 8.8 Ransomware

Microsoft Exchange Server Elevation of Privilege Vulnerability

What to do
Apply updates per vendor instructions.
CISA due date
21 Oct 2022
Weakness
CWE-918

NVD Record

14 Sep 2022 Microsoft Windows Memory corruption CVE-2022-37969 7.8 Ransomware

Windows Common Log File System Driver Elevation of Privilege Vulnerability

What to do
Apply updates per vendor instructions.
Fixed in (NVD)
microsoft windows server 2022 10.0.20348.1006, microsoft windows server 2019 10.0.17763.3406, microsoft windows server 2016 10.0.14393.5356, microsoft windows 11 21h2 10.0.22000.978, microsoft windows 10 1809 10.0.17763.3406 and 5 older
CISA due date
5 Oct 2022
Weakness
CWE-20, CWE-787

NVD Record

14 Jun 2022 Microsoft Windows Security flaw CVE-2022-30190 7.8 Ransomware

A remote code execution vulnerability exists when MSDT is called using the URL protocol from a calling application such as Word. An attacker who successfully exploits this vulnerability can run arbitrary code with the privileges of the calling application. The attacker can then install programs, view, change, or delete data, or create new accounts in the context allowed by the user’s rights. Please see the MSRC Blog Entry for important information about steps you can take to protect your system from this vulnerability.

What to do
Apply updates per vendor instructions.
Fixed in (NVD)
microsoft windows server 2022 10.0.20348.770, microsoft windows server 2019 10.0.17763.3046, microsoft windows server 2016 10.0.14393.5192, microsoft windows server 20h2 10.0.19042.1766, microsoft windows 11 21h2 10.0.22000.739 and 6 older
CISA due date
5 Jul 2022
Weakness
CWE-610

NVD Record

25 May 2022 Microsoft Silverlight Input validation flaw CVE-2016-0034 8.8 Ransomware

Microsoft Silverlight 5 before 5.1.41212.0 mishandles negative offsets during decoding, which allows remote attackers to execute arbitrary code or cause a denial of service (object-header corruption) via a crafted web site, aka "Silverlight Runtime Remote Code Execution Vulnerability."

What to do
The impacted products are end-of-life and should be disconnected if still in use.
Fixed in (NVD)
microsoft silverlight 5.1.41212.0
CISA due date
15 Jun 2022
Weakness
CWE-20

NVD Record

25 May 2022 Microsoft Silverlight Security flaw CVE-2013-0074 7.8 Ransomware

Microsoft Silverlight 5, and 5 Developer Runtime, before 5.1.20125.0 does not properly validate pointers during HTML object rendering, which allows remote attackers to execute arbitrary code via a crafted Silverlight application, aka "Silverlight Double Dereference Vulnerability."

What to do
The impacted product is end-of-life and should be disconnected if still in use.
Fixed in (NVD)
microsoft silverlight 5.1.20125.0
CISA due date
15 Jun 2022

NVD Record

24 May 2022 Microsoft SMBv1 server Information disclosure CVE-2017-0147 7.5 Ransomware

The SMBv1 server in Microsoft Windows Vista SP2; Windows Server 2008 SP2 and R2 SP1; Windows 7 SP1; Windows 8.1; Windows Server 2012 Gold and R2; Windows RT 8.1; and Windows 10 Gold, 1511, and 1607; and Windows Server 2016 allows remote attackers to obtain sensitive information from process memory via a crafted packets, aka "Windows SMB Information Disclosure Vulnerability."

What to do
Apply updates per vendor instructions.
Fixed in (NVD)
siemens acuson sc2000 firmware 4.0e, siemens syngo sc2000 firmware 4.0e
CISA due date
14 Jun 2022
Weakness
CWE-200

NVD Record

24 May 2022 Microsoft Internet Explorer and Edge Information disclosure CVE-2016-3351 6.5 Ransomware

Microsoft Internet Explorer 9 through 11 and Microsoft Edge allow remote attackers to obtain sensitive information via a crafted web site, aka "Microsoft Browser Information Disclosure Vulnerability."

What to do
Apply updates per vendor instructions.
CISA due date
14 Jun 2022
Weakness
CWE-200

NVD Record

23 May 2022 Microsoft Update Notification Manager Path traversal CVE-2020-0638 7.8 Ransomware

An elevation of privilege vulnerability exists in the way the Update Notification Manager handles files.To exploit this vulnerability, an attacker would first have to gain execution on the victim system, aka 'Update Notification Manager Elevation of Privilege Vulnerability'.

What to do
Apply updates per vendor instructions.
CISA due date
13 Jun 2022
Weakness
CWE-59

NVD Record

23 May 2022 Microsoft Windows Path traversal CVE-2019-1385 7.8 Ransomware

An elevation of privilege vulnerability exists when the Windows AppX Deployment Extensions improperly performs privilege management, resulting in access to system files.To exploit this vulnerability, an authenticated attacker would need to run a specially crafted application to elevate privileges.The security update addresses the vulnerability by correcting how AppX Deployment Extensions manages privileges., aka 'Windows AppX Deployment Extensions Elevation of Privilege Vulnerability'.

What to do
Apply updates per vendor instructions.
CISA due date
13 Jun 2022
Weakness
CWE-59

NVD Record

23 May 2022 Microsoft Windows Path traversal CVE-2019-1130 7.8 Ransomware

An elevation of privilege vulnerability exists when Windows AppX Deployment Service (AppXSVC) improperly handles hard links, aka 'Windows Elevation of Privilege Vulnerability'. This CVE ID is unique from CVE-2019-1129.

What to do
Apply updates per vendor instructions.
CISA due date
13 Jun 2022
Weakness
CWE-59

NVD Record

13 Apr 2022 Microsoft Windows Memory corruption CVE-2022-24521 7.8 Ransomware

Windows Common Log File System Driver Elevation of Privilege Vulnerability

What to do
Apply updates per vendor instructions.
Fixed in (NVD)
microsoft windows server 2022 10.0.20348.643, microsoft windows server 2019 10.0.17763.2803, microsoft windows server 2016 10.0.14393.5066, microsoft windows server 20h2 10.0.19042.1645, microsoft windows 11 21h2 10.0.22000.613 and 6 older
CISA due date
4 May 2022
Weakness
CWE-787, CWE-1285

NVD Record

11 Apr 2022 Microsoft Active Directory Privilege escalation CVE-2021-42287 7.5 Ransomware

Active Directory Domain Services Elevation of Privilege Vulnerability

What to do
Apply updates per vendor instructions.
Fixed in (NVD)
microsoft windows server 2022 10.0.20348.350, microsoft windows server 2019 10.0.17763.2300, microsoft windows server 2016 10.0.14393.4770, microsoft windows server 2004 10.0.19041.1348, microsoft windows server 20h2 10.0.19042.1348
CISA due date
2 May 2022
Weakness
CWE-269

NVD Record

11 Apr 2022 Microsoft Active Directory Input validation flaw CVE-2021-42278 7.5 Ransomware

Active Directory Domain Services Elevation of Privilege Vulnerability

What to do
Apply updates per vendor instructions.
Fixed in (NVD)
microsoft windows server 2022 10.0.20348.350, microsoft windows server 2019 10.0.17763.2300, microsoft windows server 2016 10.0.14393.4770, microsoft windows server 2004 10.0.19041.1348, microsoft windows server 20h2 10.0.19042.1348
CISA due date
2 May 2022
Weakness
CWE-20

NVD Record

6 Apr 2022 Microsoft SMBv1 server Input validation flaw CVE-2017-0148 8.1 Ransomware

The SMBv1 server in Microsoft Windows Vista SP2; Windows Server 2008 SP2 and R2 SP1; Windows 7 SP1; Windows 8.1; Windows Server 2012 Gold and R2; Windows RT 8.1; and Windows 10 Gold, 1511, and 1607; and Windows Server 2016 allows remote attackers to execute arbitrary code via crafted packets, aka "Windows SMB Remote Code Execution Vulnerability." This vulnerability is different from those described in CVE-2017-0143, CVE-2017-0144, CVE-2017-0145, and CVE-2017-0146.

What to do
Apply updates per vendor instructions.
Fixed in (NVD)
siemens acuson sc2000 firmware 4.0e
CISA due date
27 Apr 2022
Weakness
CWE-20

NVD Record

28 Mar 2022 Microsoft Office Security flaw CVE-2021-38646 7.8 Ransomware

Microsoft Office Access Connectivity Engine Remote Code Execution Vulnerability

What to do
Apply updates per vendor instructions.
CISA due date
18 Apr 2022

NVD Record

28 Mar 2022 Microsoft Windows Security flaw CVE-2018-8440 7.8 Ransomware

An elevation of privilege vulnerability exists when Windows improperly handles calls to Advanced Local Procedure Call (ALPC), aka "Windows ALPC Elevation of Privilege Vulnerability." This affects Windows 7, Windows Server 2012 R2, Windows RT 8.1, Windows Server 2008, Windows Server 2012, Windows 8.1, Windows Server 2016, Windows Server 2008 R2, Windows 10, Windows 10 Servers.

What to do
Apply updates per vendor instructions.
CISA due date
18 Apr 2022

NVD Record

28 Mar 2022 Microsoft DirectX Graphics Kernel (DXGKRNL) Denial of service CVE-2018-8406 7.8 Ransomware

An elevation of privilege vulnerability exists when the DirectX Graphics Kernel (DXGKRNL) driver improperly handles objects in memory, aka "DirectX Graphics Kernel Elevation of Privilege Vulnerability." This affects Windows Server 2016, Windows 10, Windows 10 Servers. This CVE ID is unique from CVE-2018-8400, CVE-2018-8401, CVE-2018-8405.

What to do
Apply updates per vendor instructions.
CISA due date
18 Apr 2022
Weakness
CWE-404

NVD Record

28 Mar 2022 Microsoft DirectX Graphics Kernel (DXGKRNL) Denial of service CVE-2018-8405 7.8 Ransomware

An elevation of privilege vulnerability exists when the DirectX Graphics Kernel (DXGKRNL) driver improperly handles objects in memory, aka "DirectX Graphics Kernel Elevation of Privilege Vulnerability." This affects Windows Server 2012 R2, Windows RT 8.1, Windows Server 2016, Windows 8.1, Windows 10, Windows 10 Servers. This CVE ID is unique from CVE-2018-8400, CVE-2018-8401, CVE-2018-8406.

What to do
Apply updates per vendor instructions.
CISA due date
18 Apr 2022
Weakness
CWE-404

NVD Record

28 Mar 2022 Microsoft Windows Security flaw CVE-2017-0213 7.3 Ransomware

Windows COM Aggregate Marshaler in Microsoft Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8.1, Windows Server 2012 Gold and R2, Windows RT 8.1, Windows 10 Gold, 1511, 1607, and 1703, and Windows Server 2016 allows an elevation privilege vulnerability when an attacker runs a specially crafted application, aka "Windows COM Elevation of Privilege Vulnerability". This CVE ID is unique from CVE-2017-0214.

What to do
Apply updates per vendor instructions.
CISA due date
18 Apr 2022

NVD Record

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About the KEV Catalogue

What is the CISA KEV catalogue?

CISA's list of flaws attackers are known to be using. A flaw is added only with reliable evidence of attacks and a known fix.

Why does it matter more than the CVSS score?

Few CVEs are ever used in attacks. These are, so fix them first, whatever their score.

What is the due date?

The deadline for US federal agencies to fix it (BOD 26-04, which replaced BOD 22-01): as little as three days for recent entries. A sensible deadline for anyone.

Does it apply outside the US?

The deadlines don't, but the flaws are in software used everywhere. If you run it, it applies to you.

What does "used in ransomware" mean?

CISA knows ransomware groups have used the flaw.

How often is it updated?

CISA adds flaws several times a week. CVE Hawk checks hourly and alerts you within half an hour if it's your software.

Source: CISA Known Exploited Vulnerabilities catalogue. Summaries and scores from the NVD. CVE Hawk is not affiliated with CISA or the NVD.

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