CVE-2020-16955 HIGH

CVE-2020-16955: Microsoft Office Click-to-Run Elevation of Privilege Vulnerability

Vendor Microsoft
Product Microsoft Office 2013 Click-to-Run (C2R)
Published October 16, 2020
Last update November 15, 2024

CVSS base score

7.8/10
Attack vector Local
Attack complexity Low
Privileges required None
User interaction Required
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C

What the vulnerability does

01Description

<p>An elevation of privilege vulnerability exists in the way that Microsoft Office Click-to-Run (C2R) AppVLP handles certain files. An attacker who successfully exploited the vulnerability could elevate privileges.</p> <p>To exploit this vulnerability, an attacker would need to convince a user to open a specially crafted file.</p> <p>The security update addresses the vulnerability by correcting how Microsoft Office Click-to-Run (C2R) components handle these files.</p>

Key dates

02Disclosure timeline

October 16, 2020 CVE published
November 15, 2024 Record updated