Untrusted pointer dereference 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 vulnerabilities:
  - Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
  (CVE-2025-60727)

  - Untrusted pointer dereference in Microsoft Office Excel allows an unauthorized attacker to execute code   locally. (CVE-2025-62200)

  - Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code   locally. (CVE-2025-62201)     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 the following vulnerabilities:

  - Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information     locally. (CVE-2025-60726)

  - Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
    (CVE-2025-60727)

  - Untrusted pointer dereference in Microsoft Office Excel allows an unauthorized attacker to execute code     locally. (CVE-2025-62200)

  - Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code     locally. (CVE-2025-62201)

  - Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information     locally. (CVE-2025-62202)

  - Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
    (CVE-2025-62203)

The Microsoft Excel Products are missing a security update. They are, therefore, affected by multiple vulnerabilities:

  - Microsoft Excel allows an unauthorized attacker to disclose information locally.
    (CVE-2025-59240, CVE-2025-62200, CVE-2025-62201, CVE-2025-62202, CVE-2025-62203, CVE-2025-60726)

  - A remote code execution vulnerability. An attacker can exploit this to bypass authentication and execute     unauthorized arbitrary commands. (CVE-2025-62199, CVE-2025-60727)

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	Severity
275297	Security Updates for Microsoft Excel Products C2R (Nov 2025)	Nessus	Windows	high
274791	Security Updates for Microsoft Office Online Server (November 2025)	Nessus	Windows : Microsoft Bulletins	high
274788	Security Updates for Microsoft Excel Products (Novermber 2025)	Nessus	Windows : Microsoft Bulletins	high

Detections

Analytics

CVE-2025-62200

high

Tenable Plugins

high

high

high