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TI-2026-72462 Aliases CVE-2026-83681GHSA-52h2-r8m2-r88f

Weak authentication in Microsoft PowerToys allows local tampering

Priority LOW 25CWE-1390Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · CNA. Fix status from CNA.

Summary

Microsoft PowerToys from 0.1 before 0.102.0 contains weak authentication, classified as CWE-1390. The flaw allows an authorized attacker with local access to perform tampering.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

Description from the CNA

Weak authentication in Microsoft PowerToys allows an authorized attacker to perform tampering locally.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00338 27th percentileScored 2026-11-07
Fix Fixed Microsoft PowerToys (Microsoft): 0.102.0

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

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 0.102.00.102.0Patch availableCNA
  • Microsoft PowerToys VendorMicrosoft Affected 0.1 to before 0.102.0 Fixed in 0.102.0 Patch available CNA

Remediation

Upgrade Microsoft PowerToys to version 0.102.0, the fixed version.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

  • Fix · CNA Microsoft PowerToys (Microsoft) Fixed in 0.102.0

Timeline

  1. 2026-10-13 Threatist record created from CVE-2026-83681
  2. 2026-10-13 Alias added: GHSA-52h2-r8m2-r88f
  3. 2026-10-14 Priority changed: MEDIUM → LOW
  4. 2026-10-15 CISA SSVC decision points changed
  5. 2026-10-23 Fix available: Microsoft/Microsoft [email protected] · CNA

References

  • TI-2026-42212 Microsoft SharePoint Remote Code Execution Vulnerability KEVCVSS 3.1CRITICAL 9.8
  • TI-2026-37256 Microsoft SharePoint Remote Code Execution Vulnerability KEVCVSS 3.1CRITICAL 9.8
  • TI-2026-26194 Windows Internet Key Exchange (IKE) Service Extensions Remote Code Execution Vulnerability KEVCVSS 3.1CRITICAL 9.8
  • TI-2026-16982 Microsoft SharePoint Remote Code Execution Vulnerability KEVCVSS 3.1CRITICAL 9.8
  • TI-2025-36863 Windows Server Update Service (WSUS) Remote Code Execution Vulnerability KEVCVSS 3.1CRITICAL 9.8
  • TI-2025-33671 Microsoft SharePoint Server Remote Code Execution Vulnerability KEVCVSS 3.1CRITICAL 9.8
See all 18045 →

Sources