CVE-2026-81963

High7.8Published on September 8, 2026

Improper link resolution before file access ('link following') in Windows Update Stack allows an authorized attacker to elevate privileges locally.

CVSS score7.8 / 10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness type (CWE)CWE-59, CWE-284
Vendorsmicrosoft

Affected products

VendorsProductVersions
microsoftwindows 11 23h2< 10.0.22631.7582
microsoftwindows 11 24h2< 10.0.26100.9445
microsoftwindows 11 25h2< 10.0.26200.9445
microsoftwindows 11 26h1< 10.0.28000.2954
microsoftwindows server 2025< 10.0.26100.33438

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This product uses the NVD API but is not endorsed or certified by the NVD.

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