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CVE-2026-42902

HighCVSS 7.8/10Last modified Jul 23, 2026

Description

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

Metrics

CVSS 3.1 7.8/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

Affected software

Vendor	Product	Versions
Microsoft	Microsoft PowerToys	>= 0.1, < v0.99.1

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-42902Patch, Vendor Advisory

Timeline

Published: Jun 9, 2026
Last modified: Jul 23, 2026
NVD status: Analyzed

Related CVEs from 2026

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CVE-2026-42902: High severity, CVSS 7.8 | Vulnix