CVE-2026-69640CWE-863broken-access-control

CVE-2026-69640

Medium · published October 13, 2026

CVSS v3.1
5.3
EPSS
1%
Percentile
49.4
In the wild
Unconfirmed
What it is

Incorrect authorization in Windows Key Distribution Center 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:H/I:N/A:N
CVSS v4.0
Not supplied
EPSS
0.00626 · 49.4th percentile
Weakness
CWE-863 · Incorrect Authorization
Published
2026-10-13T23:18Z
References (1)
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69640 · [email protected]
EPSS history
Timeline
  • 15 OCT 03:33Z
    EPSS moved — → 1%
    epss
  • 13 OCT 19:00Z
    Windows Key Distribution Center Security Feature Bypass Vulnerability
    cvelistv5
  • 13 OCT 19:00Z
    Windows Key Distribution Center Security Feature Bypass Vulnerability
    cvelistv5