CVE-2026-21513
Microsoft MSHTML Framework Protection Mechanism Failure Vulnerability
⚠ KEVEPSS 28.0%
Description
Microsoft MSHTML Framework contains a protection mechanism failure vulnerability that could allow an unauthorized attacker to bypass a security feature over a network.
How to fix CVE-2026-21513
No package mapping is available — consult the references below for vendor-specific guidance.
Is CVE-2026-21513 being exploited?
Yes — CVE-2026-21513 is on the CISA Known Exploited Vulnerabilities (KEV) catalog. Patch immediately.
Affected packages (0)
No package mapping in OSV.