Skip to content
fr Sign in
7.8 High

CVE-2026-41088 Access of resource using incompatible type ('type confusion') in Windows Ancillary Function Driver for WinSock allows an…

Description

Access of resource using incompatible type ('type confusion') in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.

Affected products and versions

Product Affected versions Fixed in
Windows 10 Version 21H2 10.0 10.0.19044.0 → < 10.0.19044.7291 10.0.19044.7291
Windows 10 Version 22H2 10.0 10.0.19045.0 → < 10.0.19045.7417 10.0.19045.7417
Windows 11 version 22H3 10.0 10.0.22631.0 → < 10.0.22631.7079 10.0.22631.7079
Windows 11 Version 23H2 10.0 10.0.22631.0 → < 10.0.22631.7219 10.0.22631.7219
Windows 11 Version 24H2 10.0 10.0.26100.0 → < 10.0.26100.8457 10.0.26100.8457
Windows 11 Version 25H2 10.0 10.0.26200.0 → < 10.0.26200.8457 10.0.26200.8457
Windows 11 version 26H1 10.0 10.0.28000.0 → < 10.0.28000.2113 10.0.28000.2113
Windows Server 2022 10.0 10.0.20348.0 → < 10.0.20348.5139 10.0.20348.5139
Windows Server 2022, 23H2 Edition (Server Core installation) 10.0 10.0.25398.0 → < 10.0.25398.2330 10.0.25398.2330
Show the 2 other branches
Product Affected versions Fixed in
Windows Server 2025 10.0 10.0.26100.0 → < 10.0.26100.32860 10.0.26100.32860
Windows Server 2025 (Server Core installation) 10.0 10.0.26100.0 → < 10.0.26100.32860 10.0.26100.32860

References

Timeline

  1. Published
  2. Last modified

Other CVEs of Windows 10 Version 21H2

The 4539 CVEs of Windows 10 Version 21H2 →
CVE-2026-108135 Improper link resolution before file access ('link following') in Windows Backup Engine allows an authorized attacker to… 7.0 High CVE-2026-108136 Use after free in Microsoft Windows Search Component allows an authorized attacker to elevate privileges locally 7.8 High CVE-2026-108132 Double free in Windows Kerberos allows an authorized attacker to elevate privileges locally 7.0 High CVE-2026-108129 Out-of-bounds read in DNS Server allows an authorized attacker to disclose information over a network 6.5 Medium
Track this CVE