CVE-2026-21513
CISA KEV
ACT NOW
Priority: 0.00
BB Relevance:
3/100
Published: N/A
Modified: N/A
First seen: 2026-10-29
Status: pending_score
Description
Microsoft MSHTML Framework contains a protection mechanism failure vulnerability that could allow an unauthorized attacker to bypass a security feature over a network.
CISA Known Exploited Vulnerability
Vendor / Product
Microsoft — Windows
Date Added
2026-02-10
Remediation Due
2026-03-03
https://msrc.microsoft.com/update-guide/advisory/CVE-2026-21513 ; https://nvd.nist.gov/vuln/detail/CVE-2026-21513