7.8

CVE-2026-21514

Warnung
Medienbericht

Microsoft 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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Microsoft365 Apps Version- SwEditionenterprise HwPlatformx64
Microsoft365 Apps Version- SwEditionenterprise HwPlatformx86
MicrosoftOffice Long Term Servicing Channel Version2021 SwPlatform- HwPlatformx64
MicrosoftOffice Long Term Servicing Channel Version2021 SwPlatform- HwPlatformx86
MicrosoftOffice Long Term Servicing Channel Version2021 SwPlatformmacos
MicrosoftOffice Long Term Servicing Channel Version2024 SwPlatform- HwPlatformx64
MicrosoftOffice Long Term Servicing Channel Version2024 SwPlatform- HwPlatformx86
MicrosoftOffice Long Term Servicing Channel Version2024 SwPlatformmacos
VulnDex Vulnerability Enrichment
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10.02.2026: CISA Known Exploited Vulnerabilities (KEV) Catalog

Microsoft Office Word Reliance on Untrusted Inputs in a Security Decision Vulnerability

Schwachstelle

Microsoft Office Word contains a reliance on untrusted inputs in a security decision vulnerability that could allow an authorized attacker to elevate privileges locally.

Beschreibung

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Erforderliche Maßnahmen
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 4.48% 0.892
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
secure@microsoft.com 7.8 1.8 5.9
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CWE-807 Reliance on Untrusted Inputs in a Security Decision

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.