CVE-2026-21514
Analyzed Analyzed - Analysis Complete
Security Bypass via Untrusted Input in Microsoft Word

Publication date: 2026-02-10

Last updated on: 2026-02-11

Assigner: Microsoft Corporation

Description
Reliance on untrusted inputs in a security decision in Microsoft Office Word allows an unauthorized attacker to bypass a security feature locally.
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Meta Information
Published
2026-02-10
Last Modified
2026-02-11
Generated
2026-06-16
AI Q&A
2026-02-10
EPSS Evaluated
2026-06-15
NVD
CVE-2026-21514
EUVD
EUVD-2026-7334
Affected Vendors & Products
Showing 8 associated CPEs
Vendor Product Version / Range
microsoft 365_apps *
microsoft 365_apps *
microsoft office_long_term_servicing_channel 2021
microsoft office_long_term_servicing_channel 2024
microsoft office_long_term_servicing_channel 2021
microsoft office_long_term_servicing_channel 2021
microsoft office_long_term_servicing_channel 2024
microsoft office_long_term_servicing_channel 2024
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-807 The product 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.
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Detection Guidance

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Executive Summary

This vulnerability involves Microsoft Office Word relying on untrusted inputs when making a security decision. Because of this, an unauthorized attacker can locally bypass a security feature in the application.

Impact Analysis

The impact of this vulnerability is that an attacker can bypass security features in Microsoft Office Word without proper authorization. This can lead to a compromise of confidentiality, integrity, and availability of data handled by the application.

Compliance Impact

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