CVE-2026-83681CWE-1390

CVE-2026-83681

Medium · published October 13, 2026

CVSS v3.1
5.5
EPSS
0%
Percentile
21.2
In the wild
Unconfirmed
What it is

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

The record
Technical detail
CVSS v3.1
5.5 · MEDIUM
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
CVSS v4.0
Not supplied
EPSS
0.00297 · 21.2th percentile
Weakness
CWE-1390 · Weak Authentication
Published
2026-10-13T23:20Z
References (1)
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-83681 · [email protected]
EPSS history
Timeline
  • 15 OCT 03:34Z
    EPSS moved — → 0%
    epss
  • 13 OCT 18:59Z
    Microsoft PowerToys Tampering Vulnerability
    cvelistv5
  • 13 OCT 18:59Z
    Microsoft PowerToys Tampering Vulnerability
    cvelistv5