https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-40474

The Microsoft Excel Products are 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. (CVE-2021-40474,     CVE-2021-40485)

  - An information disclosure vulnerability. An attacker can     exploit this to disclose potentially sensitive     information. (CVE-2021-40472)

The Microsoft Office Web Apps 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. (CVE-2021-40474, CVE-2021-40486)

  - An information disclosure vulnerability. An attacker can exploit this to disclose potentially sensitive     information. (CVE-2021-40472)

The Microsoft Office product installed on the remote host is affected by multiple vulnerabilities, as follows:

  - An information disclosure vulnerability in rich text editing that can be exploited by a low privileged,     local user. (CVE-2021-40454)

  - Remote code execution vulnerabilities in Excel that can be exploited by an unauthenticated user.
    (CVE-2021-40474, CVE-2021-40485)   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
162064	Security Updates for Microsoft Excel Products C2R (October 2021)	Nessus	Windows	high
154171	Security Updates for Microsoft Office Web Apps (October 2021)	Nessus	Windows : Microsoft Bulletins	high
154142	Security Updates for Microsoft Office (October 2021) (macOS)	Nessus	MacOS X Local Security Checks	high
154027	Security Updates for Microsoft Excel Products (October 2021)	Nessus	Windows : Microsoft Bulletins	high

CVE-2021-40474

high

Tenable Plugins

high

high

high

high