VYPR
← All advisories
High severity7.8NVD Advisory· Published Jan 13, 2026· Updated Jun 17, 2026

CVE-2026-20810

CVE-2026-20810

Description

Free of memory not on the heap in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.

Affected products

11
  • Microsoft/Windows 10 18093 versions
    cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x64:*+ 2 more
    • cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x64:*range: <10.0.17763.8276
    • cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x86:*range: <10.0.17763.8276
    • (no CPE)range: 10.0.17763.0
  • Microsoft/Windows 10 16074 versions
    cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:*:*+ 3 more
    • cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:*:*range: <10.0.19044.6809
    • cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:*:*range: <10.0.19045.6809
    • (no CPE)range: 10.0.19044.0
    • (no CPE)range: 10.0.19045.0
  • Microsoft/Windows Server 20192 versions
    cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*range: <10.0.17763.8276
    • (no CPE)range: 10.0.17763.0
  • Microsoft/Windows Ancillary Function Driver for WinSockllm-fuzzy
  • Microsoft/Windows Server 2019 (Server Core installation)v5
    Range: 10.0.17763.0

Patches

Vulnerability mechanics

References

1

News mentions

0

No linked articles in our index yet.