CVE-2026-42989CWE-59

Winlogon Elevation of Privilege Vulnerability

High · published June 9, 2026

CVSS v3.1
7.8
EPSS
0%
Percentile
29.8
In the wild
Unconfirmed
What it is

Improper link resolution before file access ('link following') in Winlogon allows an authorized attacker to elevate privileges locally.

The record
Technical detail
CVSS v3.1
7.8 · HIGH
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
CVSS v4.0
Not supplied
EPSS
0.00370 · 29.8th percentile
Weakness
CWE-59 · Improper Link Resolution Before File Access ('Link Following')
Published
2026-06-09T17:06Z
EPSS history
Timeline
  • 09 JUN 17:06Z
    Winlogon Elevation of Privilege Vulnerability
    cvelistv5