CVE-2020-0697 Information

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’.

CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Reference

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0697

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

7.8