Weak authentication in Microsoft PowerToys allows local tampering
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
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
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
- 2026-10-13 Threatist record created from CVE-2026-83681
- 2026-10-13 Alias added: GHSA-52h2-r8m2-r88f
- 2026-10-14 Priority changed: MEDIUM → LOW
- 2026-10-15 CISA SSVC decision points changed
- 2026-10-23 Fix available: Microsoft/Microsoft [email protected] · CNA
References
More Microsoft vulnerabilities
- 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
Sources
- CVE-2026-83681 · CVE Program
- CVE-2026-83681 · NVD
- FIRST EPSS
- GHSA-52h2-r8m2-r88f · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences