High [CVE-2022-21882] Win32k Elevation of Privilege Vulnerability
This high-severity Microsoft Server advisory covers CVE-2022-21882 affecting Windows Server 2019 (Server Core installation), Windows Server 2022, Windows Server version 20H2.
Android app · Google Play
Monitor future Microsoft Server CVEs from your phone.
Choose a whole vendor or a precise platform, then receive matching security advisories by phone notification, email, or both. Coverage follows 32 official vendor sources and 160+ reviewed platform categories.
Summary
Win32k Elevation of Privilege Vulnerability
Affected products named by the advisory: Windows Server 2019; Windows Server 2019 (Server Core installation); Windows Server 2022; Windows Server version 20H2.
CISA Known Exploited Vulnerability
- Listed:
- Feb 4, 2022 · federal remediation due Feb 18, 2022
- Required action:
- Apply updates per vendor instructions.
- Ransomware use:
- Known
KEV is a prioritization signal from CISA — remediation detail still comes from the vendor advisory.
- Windows 10 Version 1809 10.0.17763.0 before 10.0.17763.2452
- Windows 10 Version 1809 10.0.0 before 10.0.17763.2452
- Windows Server 2019 10.0.17763.0 before 10.0.17763.2452
- Windows Server 2019 (Server Core installation) 10.0.17763.0 before 10.0.17763.2452
- Windows 10 Version 1909 10.0.0 before 10.0.18363.2037
- Windows 10 Version 21H1 10.0.0 before 10.0.19043.1466
- Windows Server 2022 10.0.20348.0 before 10.0.20348.469
- Windows 10 Version 20H2 10.0.0 before 10.0.19042.1466
- Windows Server version 20H2 10.0.0 before 10.0.19042.1466
- Windows 11 version 21H2 10.0.0 before 10.0.22000.434
- Windows 10 Version 21H2 10.0.19043.0 before 10.0.19044.1466
Official advisory · high-confidence parse· fetched 2 hours ago·verify at source
- 10.0.17763.2452
- 10.0.18363.2037
- 10.0.19043.1466
- 10.0.20348.469
- 10.0.19042.1466
- 10.0.22000.434
- 10.0.19044.1466
Official advisory · high-confidence parse· fetched 2 hours ago·verify at source
Mitigation
Upgrade to a fixed release: 10.0.17763.2452, 10.0.18363.2037, 10.0.19043.1466, 10.0.20348.469, 10.0.19042.1466, 10.0.22000.434. That is the remediation for this advisory.
The vendor advisory may list additional interim mitigations or workarounds not captured here — review it before change work.
Official advisory · high-confidence parse· fetched 2 hours ago·verify at source
Discussion(0)
No comments yet. Share field notes, upgrade gotchas, or questions — verify against the vendor advisory before acting on community advice.
Sign in to join the discussion.