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TI-2026-31106 Aliases CVE-2026-42902GHSA-7vhg-93p3-4hvq

Microsoft PowerToys Elevation of Privilege Vulnerability

Priority LOW 36CWE-285Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Privilege escalation
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from Microsoft.

Summary

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

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00291 21st percentileScored 2026-11-07
Fix Fixed Microsoft PowerToys (Microsoft): v0.99.1

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
MicrosoftMicrosoft PowerToys0.1 to before v0.99.1v0.99.1Patch availableCNA
  • Microsoft PowerToys VendorMicrosoft Affected 0.1 to before v0.99.1 Fixed in v0.99.1 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:microsoft:powertoys:*:*:*:*:*:*:*:*before 0.99.1VulnerableMicrosoft
  • cpe:2.3:a:microsoft:powertoys:*:*:*:*:*:*:*:* Versions before 0.99.1 Vulnerable ·Microsoft

Remediation

  • Fix · CNA Microsoft PowerToys (Microsoft) Fixed in v0.99.1

Vendor assessments

Microsoft

Microsoft's page for this CVE →

Impact
Elevation of Privilege
Exploited
No
Publicly disclosed
No
Exploitability
Exploitation Less Likely
ProductStatusPlan or fix
Microsoft PowerToysFixed v0.99.1 · Security Update

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-42902
  2. 2026-10-03 Alias added: GHSA-7vhg-93p3-4hvq

References

Patch 1

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences