Permissions, Privileges, and Access Controls in Microsoft Office - CVE-2020-0697

 

Permissions, Privileges, and Access Controls in Microsoft Office - CVE-2020-0697

Published: February 11, 2020 / Updated: April 7, 2020


Vulnerability identifier: #VU25246
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P/U:Clear
CVE-ID: CVE-2020-0697
CWE-ID: CWE-264
Exploitation vector: Local access
Exploit availability: Public exploit is available
Vendor: Microsoft
Affected software:
Microsoft Office

Detailed vulnerability description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists in Microsoft Office OLicenseHeartbeat task, that allows to execute the task with SYSTEM privileges. A local user can place a specially crafted file in a specific location and corrupt arbitrary file on the system.


How to mitigate CVE-2020-0697

Install updates from vendor's website.

Sources