KEV · Actively exploited
CVE-2021-40450
HIGH 7.8
KEV
Win32k Elevation of Privilege Vulnerability
EPSS
4.13%
above median
percentile 88.8%
CISA Known Exploited Vulnerability
- Added to KEV
- 2022-04-25
- Remediation deadline
- 2022-05-16
- Required action
- Apply updates per vendor instructions.
- Ransomware
- No
OS versions that fix this CVE
This CVE is resolved by the following OS security releases. Update the OS to at least the listed version.
- Windows Fixed in Windows Server 2022 (Server Core installation) 10.0.20348.288 Windows Server 2022 10.0.20348.288 Windows Server 2019 (Server Core installation) 10.0.17763.2237 Windows Server 2019 10.0.17763.2237 Windows 11 21H2 · 2021-H2 10.0.22000.258 Windows 10 21H1 · 2021-H1 10.0.19043.1288 Windows 10 20H2 · 2020-H2 10.0.19042.1288 Windows 10 2004 · 2020-04 10.0.19041.1288 Windows 10 1909 · 2019-09 10.0.18363.1854 Windows 10 1809 · 2018-09 10.0.17763.2237