A AegiFlow
UNKNOWNKNOWN EXPLOITED

CVE-2026-21513

Microsoft MSHTML Framework Protection Mechanism Failure Vulnerability

Published
2026-02-10
Modified
2026-07-31
Sources
cisa-kev

Summary

Microsoft MSHTML Framework contains a protection mechanism failure vulnerability that could allow an unauthorized attacker to bypass a security feature over a network.

References

Includes data from the CISA Known Exploited Vulnerabilities catalog.

CVE® is a registered trademark of The MITRE Corporation. CVE content reproduced under the CVE Terms of Use; copyright designation © MITRE.