CVE-2026-81963
7.8
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Exploitability: 1.8 / Impact: 5.9
Source: secure@microsoft.com (Secondary)
Description
Improper link resolution before file access ('link following') in Windows Update Stack allows an authorized attacker to elevate privileges locally.
Affected (9)
Configuration A
| Vulnerable Software | Affected Versions |
|---|---|
| Before 10.0.22631.7582 | |
| Before 10.0.26100.9445 | |
| Before 10.0.26200.9445 | |
| Before 10.0.28000.2954 | |
| Before 10.0.26100.33438 |
Related CWEs
CWE-284
Improper Access Control
The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.
CWE-59
Improper Link Resolution Before File Access ('Link Following')
The product attempts to access a file based on the filename, but it does not properly prevent that filename from identifying a link or shortcut that resolves to an unintended resource.
References (2)
Source: secure@microsoft.com
PatchVendor Advisory
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
US Government Resource
Timeline
No history available yet.