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CVE-2026-21513· microsoft / windows· CWE-693

Microsoft MSHTML Framework Protection Mechanism Failure Vulnerability

Exploited in the wild. Listed by CISA on 2026-02-10; known to be used by ransomware.

15.9%likelihood of exploitation, next 30 days
97%of all CVEs are less likely
Nonecheck to confirm it

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

No ready check is stored for this CVE. Confirm it by hand from the references.

References

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