Access of resource using incompatible type ('type confusion') in Microsoft Office allows an unauthorized attacker to execute code locally.

The version of Microsoft Office for Mac installed on the remote host is affected by multiple vulnerabilities as referenced in the march-10-2026 advisory.

  - Untrusted pointer dereference in Microsoft Office allows an unauthorized attacker to execute code locally.
    (CVE-2026-26113)

  - Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
    (CVE-2026-26107)

  - Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code     locally. (CVE-2026-26108)

  - Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
    (CVE-2026-26109)

  - Untrusted pointer dereference in Microsoft Office Excel allows an unauthorized attacker to execute code     locally. (CVE-2026-26112)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The Microsoft Office Products are missing security updates. They are, therefore, affected by multiple remote code execution vulnerabilities. An attacker can exploit these to bypass authentication and execute unauthorized arbitrary commands. (CVE-2026-26108, CVE-2026-26110)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The Microsoft Office Products are missing security updates. It is, therefore, affected by multiple vulnerabilities:

  - Remote code execution vulnerabilities. An attacker can exploit these to bypass authentication and execute     unauthorized arbitrary commands. (CVE-2026-26110, CVE-2026-26113)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

ID	Name	Product	Family	Type	Severity
301784	Security Updates for Microsoft Office Products (March 2026) (macOS)	Nessus	MacOS X Local Security Checks	Local	high
301777	Security Updates for Microsoft Office Products (March 2026)	Nessus	Windows : Microsoft Bulletins	Local	high
301769	Security Updates for Microsoft Office Products C2R (March 2026)	Nessus	Windows	Local	high

Detections

Analytics

CVE-2026-26110

high

Tenable Plugins

high

high

high