MSRC-CVE-2026-42902 — Microsoft PowerToys Elevation of Privilege Vulnerability

Summary

Impact: Elevation of Privilege. Microsoft rating: Important. Not known to be exploited — Exploitation Less Likely. Customer action: Required.

Details

What privileges could be gained by an attacker who successfully exploited this vulnerability?
An attacker who successfully exploited this vulnerability could gain SYSTEM privileges.

Security updates
v0.99.1 — https://github.com/microsoft/PowerToys/releases/tag/v0.99.1

Vulnerabilities 1

High 7.8

CVE-2026-42902

Microsoft PowerToys Elevation of Privilege Vulnerability

Improper authorization in Microsoft PowerToys allows an authorized attacker to elevate privileges locally.

Microsoft Microsoft PowerToys

Jun 9, 2026

Revision history

2026-06-09 #1
Information published.

References

CVE-2026-42902 Microsoft PowerToys Elevation of Privilege Vulnerability - HTML
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-42902
Microsoft Exploitability Index
https://www.microsoft.com/en-us/msrc/exploitability-index?rtc=1
Microsoft Support Lifecycle
https://support.microsoft.com/lifecycle
Common Vulnerability Scoring System
https://www.first.org/cvss