Skip to content
fr Sign in
7.0 High

CVE-2026-33099 Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges…

Description

Use after free 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 1607 10.0 10.0.14393.0 → < 10.0.14393.9060 10.0.14393.9060
Windows 10 Version 1809 10.0 10.0.17763.0 → < 10.0.17763.8644 10.0.17763.8644
Windows 10 Version 21H2 10.0 10.0.19044.0 → < 10.0.19044.7184 10.0.19044.7184
Windows 10 Version 22H2 10.0 10.0.19045.0 → < 10.0.19045.7184 10.0.19045.7184
Windows 11 version 22H3 10.0 10.0.22631.0 → < 10.0.22631.6936 10.0.22631.6936
Windows 11 Version 23H2 10.0 10.0.22631.0 → < 10.0.22631.6936 10.0.22631.6936
Windows 11 Version 24H2 10.0 10.0.26100.0 → < 10.0.26100.8246 10.0.26100.8246
Windows 11 Version 25H2 10.0 10.0.26200.0 → < 10.0.26200.8246 10.0.26200.8246
Windows Server 2012 6.2 6.2.9200.0 → < 6.2.9200.26026 6.2.9200.26026
Show the 9 other branches
Product Affected versions Fixed in
Windows Server 2012 (Server Core installation) 6.2 6.2.9200.0 → < 6.2.9200.26026 6.2.9200.26026
Windows Server 2012 R2 6.3 6.3.9600.0 → < 6.3.9600.23132 6.3.9600.23132
Windows Server 2012 R2 (Server Core installation) 6.3 6.3.9600.0 → < 6.3.9600.23132 6.3.9600.23132
Windows Server 2016 10.0 10.0.14393.0 → < 10.0.14393.9060 10.0.14393.9060
Windows Server 2016 (Server Core installation) 10.0 10.0.14393.0 → < 10.0.14393.9060 10.0.14393.9060
Windows Server 2019 10.0 10.0.17763.0 → < 10.0.17763.8644 10.0.17763.8644
Windows Server 2019 (Server Core installation) 10.0 10.0.17763.0 → < 10.0.17763.8644 10.0.17763.8644
Windows Server 2022 10.0 10.0.20348.0 → < 10.0.20348.5020 10.0.20348.5020
Windows Server 2022, 23H2 Edition (Server Core installation) 10.0 10.0.25398.0 → < 10.0.25398.2274 10.0.25398.2274

References

Timeline

  1. Published
  2. Last modified

Other CVEs of Windows 10 Version 1607

The 4535 CVEs of Windows 10 Version 1607 →
CVE-2026-108136 Use after free in Microsoft Windows Search Component allows an authorized attacker to elevate privileges locally 7.8 High CVE-2026-108131 No cwe for this issue in Active Directory Federation Services (AD FS) allows an unauthorized attacker to perform… 7.5 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