CVE-2021-34492

HIGH

Windows Certificate Spoofing - Info Disclosure

Title source: llm

Windows Certificate Spoofing Vulnerability

Core 1

Core References

Patch, Vendor Advisory x_refsource_misc

CVSS v3 8.1

EPSS 0.0228

EPSS Percentile 81.3%

Attack Vector NETWORK

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

Status published

Products (18)

microsoft/windows_10

microsoft/windows_10 20h2

microsoft/windows_10 21h1

microsoft/windows_10 1607

microsoft/windows_10 1809

microsoft/windows_10 1909

microsoft/windows_10 2004

microsoft/windows_7

microsoft/windows_8.1

microsoft/windows_rt_8.1

... and 8 more

Published Jul 14, 2021

Tracked Since Feb 18, 2026