Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally.

The Microsoft Excel Products are missing a security update.
It is, therefore, affected by the following vulnerability:

  - A remote code execution vulnerability. An attacker can     exploit this to bypass authentication and execute     unauthorized arbitrary commands. (CVE-2025-47165, CVE-2025-47174)     Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The version of Microsoft Office for Mac installed on the remote host is affected by multiple vulnerabilities as referenced in the june-10-2025 advisory.

  - Use after free in Microsoft Office allows an unauthorized attacker to execute code locally.
    (CVE-2025-47164, CVE-2025-47953)

  - Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
    (CVE-2025-47165)

  - Use after free in Microsoft Office PowerPoint allows an unauthorized attacker to execute code locally.
    (CVE-2025-47175)

  - Use after free in Microsoft Office Word allows an unauthorized attacker to execute code locally.
    (CVE-2025-47168, CVE-2025-47170)

  - Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code     locally. (CVE-2025-47169)

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 Online Server installation on the remote host is missing security updates. It is, therefore, affected by multiple vulnerabilities:
  - A remote code execution vulnerability. An attacker can exploit this to bypass authentication and execute     unauthorized arbitrary commands.

The Microsoft Excel Products are missing a security update. They are, therefore, affected by a remote code execution vulnerability. An attacker can exploit this to bypass authentication and execute unauthorized arbitrary commands.

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

ID	Name	Product	Family	Type	Severity
240112	Security Updates for Microsoft Excel Products (June 2025)	Nessus	Windows : Microsoft Bulletins	Local	high
238100	Security Updates for Microsoft Office Products (June 2025) (macOS)	Nessus	MacOS X Local Security Checks	Local	high
238091	Security Updates for Microsoft Office Online Server (June 2025)	Nessus	Windows : Microsoft Bulletins	Local	high
238089	Security Updates for Microsoft Excel Products (June 2025)	Nessus	Windows : Microsoft Bulletins	Local	high

Detections

Analytics

CVE-2025-47165

high

Tenable Plugins

high

high

high

high