Microsoft Office Security Feature Bypass Vulnerability

When

2026-01-26 00:00 UTC · day precision

Where

Global (internet)

Category

cyber_exploit

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.

Sources

• CISA ↗ · first seen 2026-01-26 00:00 UTC

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