Untrusted pointer dereference in Microsoft Office Word allows an unauthorized attacker to disclose information locally.

The version of Microsoft Office for Mac installed on the remote host is affected by multiple vulnerabilities as referenced in the september-16-2025 advisory.

  - Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally.
    (CVE-2025-54910)

  - Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
    (CVE-2025-54896, CVE-2025-54903, CVE-2025-54904)

  - Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
    (CVE-2025-54898, CVE-2025-54902)

  - Free of memory not on the heap in Microsoft Office Excel allows an unauthorized attacker to execute code     locally. (CVE-2025-54899)

  - Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code     locally. (CVE-2025-54900)

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

The Microsoft Word Products are missing security updates. It is, therefore, affected by an information disclosure vulnerability.

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

The Microsoft SharePoint Server 2019 installation on the remote host is missing security updates. It is, therefore, affected by multiple vulnerabilities:

  - Remote Code Execution Vulnerability. (CVE-2025-54897, CVE-2025-54905)   
  - Information Disclosure Vulnerability (CVE-2025-54906)

The Microsoft Word Products are missing a security update. They are, therefore, affected by an information disclosure vulnerability. An attacker can exploit this to disclose potentially sensitive information.

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

The Microsoft SharePoint Server 2016 installation on the remote host is missing security updates. It is, therefore, affected by multiple vulnerabilities:

  - Remote Code Execution Vulnerability. (CVE-2025-54897, CVE-2025-54905)   
  - Information Disclosure Vulnerability (CVE-2025-54906)

ID	Name	Product	Family	Type	Severity
265140	Security Updates for Microsoft Office Products (September 2025) (macOS)	Nessus	MacOS X Local Security Checks	Local	high
264569	Security Updates for Microsoft Word Products C2R (September 2025)	Nessus	Windows	Local	high
261816	Security Updates for Microsoft SharePoint Server 2019 (September 2025)	Nessus	Windows : Microsoft Bulletins	Local	high
261814	Security Updates for Microsoft Word Products (September 2025)	Nessus	Windows : Microsoft Bulletins	Local	high
261806	Security Updates for Microsoft SharePoint Server 2016 (September 2025)	Nessus	Windows : Microsoft Bulletins	Local	high

Detections

Analytics

CVE-2025-54905

high

Tenable Plugins

high

high

high

high

high