CVE-2020-16934

Microsoft Office Click-to-Run Elevation of Privilege Vulnerability

Description

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. To exploit this vulnerability, an attacker would need to convince a user to open a specially crafted file. The security update addresses the vulnerability by correcting how Microsoft Office Click-to-Run (C2R) components handle these files.

7.0

CVSS

Severity: High

CVSS 3.1 •

CVSS 2.0 •

EPSS 1.57% Top 20%

Vendor Advisory microsoft.com

Affected: Microsoft Microsoft Office 2013 Click-to-Run (C2R)

Affected: Microsoft Microsoft Office 2019

Affected: Microsoft Microsoft 365 Apps for Enterprise

References

Link	Tags
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-16934	patch vendor advisory

Frequently Asked Questions

What is the severity of CVE-2020-16934?: CVE-2020-16934 has been scored as a high severity vulnerability.
How to fix CVE-2020-16934?: To fix CVE-2020-16934, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-16934 being actively exploited in the wild?: It is possible that CVE-2020-16934 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~2% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2020-16934?: CVE-2020-16934 affects Microsoft Microsoft Office 2013 Click-to-Run (C2R), Microsoft Microsoft Office 2019, Microsoft Microsoft 365 Apps for Enterprise.

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