High severity7.8NVD Advisory· Published Feb 11, 2020· Updated Jun 17, 2026
CVE-2020-0697
CVE-2020-0697
Description
An elevation of privilege vulnerability exists in Microsoft Office OLicenseHeartbeat task, where an attacker who successfully exploited this vulnerability could run this task as SYSTEM.To exploit the vulnerability, an authenticated attacker would need to place a specially crafted file in a specific location, thereby allowing arbitrary file corruption.The security update addresses the vulnerability by correcting how the process validates the log file., aka 'Microsoft Office Tampering Vulnerability'.
Affected products
4cpe:2.3:a:microsoft:office_365_proplus:-:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:microsoft:office_365_proplus:-:*:*:*:*:*:*:*
- (no CPE)range: 32-bit Systems
Patches
Vulnerability mechanics
References
1- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0697nvdPatchVendor Advisory
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