CVE-2026-68820

CVE CVE-2026-68820EUVD EUVD-2026-56468Published 2026-08-11T17:05:15.000ZLast changed 2026-08-19T17:17:45.000ZCVSS 7.0

Listed by CISA as actively exploited CISA added this vulnerability to its catalogue of known exploited vulnerabilities on 2026-08-11. That means attacks against it have been observed.

What the advisory describes

Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.

Source: EUVD (ENISA), in the words of the advisory.

Products the advisory names

These come from the advisory itself, not from any check we performed.

Microsoft — Windows 10 Version 1607 10.0.14393.0 <10.0.14393.9418
Microsoft — Windows 10 Version 1809 10.0.17763.0 <10.0.17763.9121
Microsoft — Windows 10 Version 21H2 10.0.19044.0 <10.0.19044.7663
Microsoft — Windows 10 Version 22H2 10.0.19045.0 <10.0.19045.7663
Microsoft — Windows 11 Version 23H2 10.0.22631.0 <10.0.22631.7517
Microsoft — Windows 11 Version 24H2 10.0.26100.0 <10.0.26100.9168
Microsoft — Windows 11 Version 25H2 10.0.26200.0 <10.0.26200.9168
Microsoft — Windows 11 version 26H1 10.0.28000.0 <10.0.28000.2704
Microsoft — Windows Server 2012 6.2.9200.0 <6.2.9200.26280
Microsoft — Windows Server 2012 (Server Core installation) 6.2.9200.0 <6.2.9200.26280
Microsoft — Windows Server 2012 R2 6.3.9600.0 <6.3.9600.23338
Microsoft — Windows Server 2012 R2 (Server Core installation) 6.3.9600.0 <6.3.9600.23338
Microsoft — Windows Server 2016 10.0.14393.0 <10.0.14393.9418
Microsoft — Windows Server 2016 (Server Core installation) 10.0.14393.0 <10.0.14393.9418
Microsoft — Windows Server 2019 10.0.17763.0 <10.0.17763.9121
Microsoft — Windows Server 2019 (Server Core installation) 10.0.17763.0 <10.0.17763.9121
Microsoft — Windows Server 2022 10.0.20348.0 <10.0.20348.5499
Microsoft — Windows Server 2025 10.0.26100.0 <10.0.26100.33296
Microsoft — Windows Server 2025 (Server Core installation) 10.0.26100.0 <10.0.26100.33296

The versions shown are the advisory's own. Patchlage compares no version numbers and derives no judgement from them — which version is installed is something a person has to look up.

Carried in the product catalogue

An estate covering these products can be recorded in Patchlage. An advisory about them appears in the next morning's situation report.

Microsoft — Windows 10
Microsoft — Windows 11
Microsoft — Windows Server

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