CVE-2022-21836

HIGH

Windows - Certificate Spoofing via Improper Certificate Validation

Title source: llm

Windows Certificate Spoofing Vulnerability

Core 2

Core References

Vendor Advisory vendor-advisory

Vendor Advisory

CVSS v3 7.8

EPSS 0.0070

EPSS Percentile 48.4%

Attack Vector LOCAL

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Vulnrichment

Exploitation poc

Automatable no

Technical Impact total

CWE

CWE-295

Status published

Products (17)

microsoft/windows_10

microsoft/windows_10 20h2

microsoft/windows_10 21h1

microsoft/windows_10 21h2

microsoft/windows_10 1607

microsoft/windows_10 1809

microsoft/windows_10 1909

microsoft/windows_11 (2 CPE variants)

microsoft/windows_7

microsoft/windows_8.1 (2 CPE variants)

... and 7 more

Published Jan 11, 2022

Tracked Since Feb 18, 2026