Microsoft MSHTML Framework Protection Mechanism Failure Vulnerability
High Listed in 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.
In-depth triage · Auto channel
No in-depth report has been generated yet (DR-003 v2 AI pipeline is under construction).
Affected products
- Microsoft:Windows
Sources
- CISA KEV DATABASE
Original Links
- https://nvd.nist.gov/vuln/detail/CVE-2026-21513 advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog kev
- https://msrc.microsoft.com/update-guide/advisory/CVE-2026-21513 reference
Timeline
- kev_added CISA KEV
- kev_ingest CISA KEV