CVE-2026-21222CWE-532

Windows Kernel Information Disclosure Vulnerability

Medium · published February 10, 2026

CVSS v3.1
5.5
EPSS
1%
Percentile
48.4
In the wild
Unconfirmed
What it is

Insertion of sensitive information into log file in Windows Kernel allows an authorized attacker to disclose information 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:H/I:N/A:N/E:U/RL:O/RC:C
CVSS v4.0
Not supplied
EPSS
0.00608 · 48.4th percentile
Weakness
CWE-532 · Insertion of Sensitive Information into Log File
Published
2026-02-10T17:51Z
EPSS history
Timeline
  • 10 FEB 17:51Z
    Windows Kernel Information Disclosure Vulnerability
    cvelistv5