Windows Package Manager Elevation of Privilege Vulnerability

Assessment

Improper privilege management in Windows Package Manager allows an authorized attacker to elevate privileges locally.

Severity
Important
CVSS base score
7.3CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
Impact
Elevation of Privilege
EPSS, next 30 days
0.3%Higher than 22.6% of scored CVEs · FIRST model run 26 Sep 2026 · about EPSS
Exploitability
Exploitation Less Likely
Publicly disclosed
No
Customer action
Required: apply the update
Component
Windows Package Manager
Weakness
CWE-269: Improper Privilege Management
Issued by
Microsoft
Published
11 Aug 2026 · August 2026
Last revised
29 Aug 2026Changes made to the security updates links and information. This is an informational change only.

Updates that fix it

0 KBs

No KB listed

MSRC lists no downloadable update, which usually means a service-side fix or a release-notes update. Check the MSRC advisory.

Affected products

Apps
1 affected product
  • App Installer
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