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CVE-2026-21509HIGH · 7.8TrackedCISA KEV
Microsoft · Office
Microsoft Office contains a security feature bypass vulnerability in which reliance on untrusted inputs in a security decision in Microsoft Office could allow an unauthorized attacker to bypass a security feature locally. Some of the impacted product(s) could be end-of-life (EoL) and/or end-of-service (EoS). Users are advised to discontinue use and/or transition to a supported version.
Disclosed
2026-01-26
134 days ago
Status
no honeypot capture yet
on CISA KEV — watching
7-day events
0
across 0 distinct IPs
7-day spread
0 ASN · 0 cty
0 active days
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