CVE-2020-0697

HIGH

Microsoft Office - Privilege Escalation

Title source: llm
STIX 2.1

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'.

References (1)

Core 1
Core References

Scores

CVSS v3 7.8
EPSS 0.0090
EPSS Percentile 56.1%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Details

Status published
Products (1)
microsoft/office_365_proplus
Published Feb 11, 2020
Tracked Since Feb 18, 2026