Oct 2026: Microsoft Office Word Security Feature Bypass Vulnerability
CVE-2026-88210 Published on October 13, 2026
Microsoft Office Word Security Feature Bypass Vulnerability
Reliance on untrusted inputs in a security decision in Microsoft Office Word allows an unauthorized attacker to bypass a security feature locally.
Weakness Type
Reliance on Untrusted Inputs in a Security Decision
The application uses a protection mechanism that relies on the existence or values of an input, but the input can be modified by an untrusted actor in a way that bypasses the protection mechanism.
Products Associated with CVE-2026-88210
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Affected Versions
Microsoft 365 Apps for Enterprise:- Version 16.0.1 and below https://aka.ms/OfficeSecurityReleases is affected.
- Version 1.0.0 and below 16.114.26101123 is affected.
- Version 16.0.0 and below 16.0.17932.21056 is affected.
- Version 16.0.1 and below 16.114.26101123 is affected.
- Version 16.0.0 and below 16.114.26101123 is affected.