High severity7.8NVD Advisory· Published Oct 13, 2026· Updated Oct 13, 2026

CVE-2026-70225

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

Microsoft/Windows Ancillary Function Driver for WinSockllm-fuzzy

Patches

Vulnerability mechanics

References

msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70225nvd

News mentions

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