CVE-2026-21513

HIGH KEV

MSHTML Framework - Auth Bypass

Title source: llm

Description

Protection mechanism failure in MSHTML Framework allows an unauthorized attacker to bypass a security feature over a network.

References (4)

Scores

CVSS v3 8.8
EPSS 0.2779
EPSS Percentile 96.5%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Details

CISA KEV 2026-02-10
VulnCheck KEV 2026-02-10
ENISA EUVD EUVD-2026-7342
CWE
CWE-693
Status published
Products (36)
microsoft/windows_10_1607 < 10.0.14393.8868 (2 CPE variants)
microsoft/windows_10_1809 < 10.0.17763.8389 (2 CPE variants)
microsoft/windows_10_21h2 < 10.0.19044.6937 (3 CPE variants)
microsoft/windows_10_22h2 < 10.0.19045.6937 (3 CPE variants)
Microsoft/Windows 10 Version 1607 10.0.14393.0 - 10.0.14393.8868
Microsoft/Windows 10 Version 1809 10.0.17763.0 - 10.0.17763.8389
Microsoft/Windows 10 Version 21H2 10.0.19044.0 - 10.0.19044.6937
Microsoft/Windows 10 Version 22H2 10.0.19045.0 - 10.0.19045.6937
microsoft/windows_11_23h2 < 10.0.22631.6649 (2 CPE variants)
microsoft/windows_11_24h2 < 10.0.26100.7781 (2 CPE variants)
... and 26 more
Published Feb 10, 2026
KEV Added Feb 10, 2026
Tracked Since Feb 18, 2026