What’s Vulnerable › Vulnerabilities

CVE-2026-83681: Microsoft PowerToys Tampering Vulnerability

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-10-13 · updated 2026-10-31
• Weakness: CWE-1390

Description

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

Affected products

• Microsoft PowerToys: from 0.1 before 0.102.0 — fixed in 0.102.0

How to fix

Upgrade to a fixed version: Microsoft PowerToys 0.102.0. Check the vendor advisory for mitigations.

References

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-83681

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