CVE-2026: Vulnerabilities in Microsoft Office Word and Excel

Api.Msrc.Microsoft

CVE-2026: Vulnerabilities in Microsoft Office Word and Excel

First seen 12 Feb 2026, 21:16 UTC • •12.3

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ThreatCluster •March 12, 2026 at 16:10 UTC

Microsoft Office applications are affected by two vulnerabilities identified as CVE-2026. The first allows unauthorized attackers to bypass security features in Microsoft Word through untrusted inputs, while the second enables information disclosure in Microsoft Excel due to an out-of-bounds read. Both vulnerabilities pose risks to users operating these applications locally.

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Updated 213d ago How this analysis works

Timeline

2026-02-10

CVE-2026 vulnerabilities reported for Word and Excel

More articles in this cluster (2)

Threat Graph

4 entities, 4 inferred relationships (STIX 2.1).

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Technique (2)

Data Breach
Zero-day Exploit

Affected Platform (2)

Microsoft Office Excel
Microsoft Office Word

Relationships

Data Breach targets Microsoft Office Excel
Data Breach targets Microsoft Office Word
Zero-day Exploit targets Microsoft Office Excel
Zero-day Exploit targets Microsoft Office Word

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