CVE-2021-40450: Win32k Elevation of Privilege Vulnerability
In CISA’s Known Exploited Vulnerabilities catalog: Microsoft Win32k Privilege Escalation Vulnerability.
Added , federal remediation due . Known ransomware use: Unknown.
Required action: Apply updates per vendor instructions.
Description
Win32k Elevation of Privilege Vulnerability
Vector CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
Status incidents that name it
No tracked status incident names this CVE.
Affected vendors and products
Microsoft: Windows 10 Version 1809Microsoft: Windows 10 Version 1909Microsoft: Windows 10 Version 2004Microsoft: Windows 10 Version 20H2Microsoft: Windows 10 Version 21H1Microsoft: Windows 11 version 21H2Microsoft: Windows Server 2019Microsoft: Windows Server 2019 (Server Core installation)Microsoft: Windows Server 2022Microsoft: Windows Server version 2004Microsoft: Windows Server version 20H2
References
- CVE record on cve.org (opens in new tab)
- NVD entry (opens in new tab)
- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-40450 (opens in new tab)
- CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (opens in new tab)
- This product uses data from the NVD API but is not endorsed or certified by the NVD. (opens in new tab)
- Known Exploited Vulnerabilities catalog from CISA. (opens in new tab)
- EPSS scores from FIRST (Exploit Prediction Scoring System). (opens in new tab)