Windows 10 21H2 CVE Vulnerabilities
By Microsoft — 3 known vulnerabilities
Critical
0
High
2
Medium
1
Low
0
None
0
All Windows 10 21H2 CVEs
CVE-2026-41088
7.8
high
Access of resource using incompatible type ('type confusion') in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.
May 12, 2026
CVE-2026-32181
5.5
medium
Improper privilege management in Microsoft Windows allows an authorized attacker to deny service locally.
Apr 14, 2026
CVE-2026-20817
7.8
high
Improper handling of insufficient permissions or privileges in Windows Error Reporting allows an authorized attacker to elevate privileges locally.
Jan 13, 2026