A remote code execution vulnerability exists in Microsoft Excel software when the software fails to properly handle objects in memory. An attacker who successfully exploited the vulnerability could run arbitrary code in the context of the current user. If the current user is logged on with administrative user rights, an attacker could take control of the affected system. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights. Users whose accounts are configured to have fewer user rights on the system could be less impacted than users who operate with administrative user rights. Exploitation of the vulnerability requires that a user open a specially crafted file with an affected version of Microsoft Excel. In an email attack scenario, an attacker could exploit the vulnerability by sending the specially crafted file to the user and convincing the user to open the file. In a web-based attack scenario, an attacker could host a website (or leverage a compromised website that accepts or hosts user-provided content) containing a specially crafted file designed to exploit the vulnerability. An attacker would have no way to force users to visit the website. Instead, an attacker would have to convince users to click a link, typically by way of an enticement in an email or instant message, and then convince them to open the specially crafted file. The security update addresses the vulnerability by correcting how Microsoft Excel handles objects in memory.

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

  - An information disclosure vulnerability exists when     Microsoft Excel improperly discloses the contents of its     memory. An attacker who exploited the vulnerability     could use the information to compromise the users     computer or data.  (CVE-2020-1224)

  - A remote code execution vulnerability exists in     Microsoft Excel software when the software fails to     properly handle objects in memory. An attacker who     successfully exploited the vulnerability could run     arbitrary code in the context of the current user. If     the current user is logged on with administrative user     rights, an attacker could take control of the affected     system. An attacker could then install programs; view,     change, or delete data; or create new accounts with full     user rights.  (CVE-2020-1332, CVE-2020-1335,     CVE-2020-1594)

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

  - An information disclosure vulnerability exists when Microsoft Excel improperly discloses the contents of     its memory. An attacker who exploited the vulnerability could use the information to compromise the users     computer or data. (CVE-2020-1224)

  - A remote code execution vulnerability exists in Microsoft Excel software when the software fails to     properly handle objects in memory. An attacker who successfully exploited the vulnerability could run     arbitrary code in the context of the current user. If the current user is logged on with administrative     user rights, an attacker could take control of the affected system. An attacker could then install     programs; view, change, or delete data; or create new accounts with full user rights. (CVE-2020-1193,     CVE-2020-1332, CVE-2020-1335, CVE-2020-1594)

  - A remote code execution vulnerability exists in Microsoft Word software when it fails to properly handle     objects in memory. An attacker who successfully exploited the vulnerability could use a specially crafted     file to perform actions in the security context of the current user. For example, the file could then take     actions on behalf of the logged-on user with the same permissions as the current user. (CVE-2020-1218,     CVE-2020-1338)

ID	Name	Product	Family	Severity
162083	Security Updates for Microsoft Excel Products C2R (September 2020)	Nessus	Windows	high
162038	Security Updates for Microsoft Office Products C2R (September 2020)	Nessus	Windows	high
140430	Security Updates for Microsoft Office Products (September 2020)	Nessus	Windows : Microsoft Bulletins	high
140426	Security Updates for Microsoft Excel Products (September 2020)	Nessus	Windows : Microsoft Bulletins	high

Detections

Analytics

CVE-2020-1594

high

Tenable Plugins

high

high

high

high