What is CVE-2026-42902?

CVE-2026-42902 is a security advisory published by Microsoft Security Response Center (MSRC) with High severity. Microsoft PowerToys Elevation of Privilege Vulnerability

Which CVE IDs does CVE-2026-42902 cover?

CVE-2026-42902 covers the following CVE IDs: CVE-2026-42902. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2026-42902?

CVE-2026-42902 has a CVSS v3 base score of 7.8, published by Microsoft Security Response Center (MSRC).

Which products are affected by CVE-2026-42902?

CVE-2026-42902 affects 1 product, including: Microsoft PowerToys.

CVE-2026-42902HighCVSS 7.8

Microsoft PowerToys Elevation of Privilege Vulnerability

Vendor

Microsoft Security Response Center (MSRC)

Published

June 10, 2026

Last Modified

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🔗 CVE IDs covered (1)

CVE-2026-42902 →

📋 Description

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

🎯 Affected products1

Microsoft PowerToys

✅ Remediation

KBRelease Notes (Security Update) — fixed build v0.99.1

🔗 References (3)

advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-42902
patchhttps://github.com/microsoft/PowerToys/releases/download/v0.99.1/PowerToysSetup-0.99.1-x64.exe
referencehttps://github.com/microsoft/PowerToys/releases/tag/v0.99.1