CVE-2026-85939CWE-1390

CVE-2026-85939

Medium · published October 13, 2026

CVSS v3.1
5.3
EPSS
0%
Percentile
30.6
In the wild
Unconfirmed
What it is

Weak authentication in Windows Kernel allows an authorized attacker to bypass a security feature over a network.

The record
Technical detail
CVSS v3.1
5.3 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N
CVSS v4.0
Not supplied
EPSS
0.00378 · 30.6th percentile
Weakness
CWE-1390 · Weak Authentication
Published
2026-10-13T23:21Z
References (1)
EPSS history
Timeline
  • 15 OCT 03:34Z
    EPSS moved — → 0%
    epss
  • 13 OCT 19:00Z
    Windows Kernel Security Feature Bypass Vulnerability
    cvelistv5
  • 13 OCT 19:00Z
    Windows Kernel Security Feature Bypass Vulnerability
    cvelistv5