CVE-2020-1581

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) components handle objects in memory. An attacker who successfully exploited the vulnerability could elevate privileges. The attacker would need to already have the ability to execute code on the system. An attacker could exploit this vulnerability by running a specially crafted application on the victim system. The security update addresses the vulnerability by correcting how Microsoft Office Click-to-Run (C2R) components handle objects in memory.

7.8

CVSS

Severity: High

CVSS 3.1 •

CVSS 2.0 •

EPSS 10.33% Top 10%

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-2020-1581	patch vendor advisory

Frequently Asked Questions

What is the severity of CVE-2020-1581?: CVE-2020-1581 has been scored as a high severity vulnerability.
How to fix CVE-2020-1581?: To fix CVE-2020-1581, 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-2020-1581 being actively exploited in the wild?: It is possible that CVE-2020-1581 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~10% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2020-1581?: CVE-2020-1581 affects Microsoft Microsoft Office 2013 Click-to-Run (C2R), Microsoft Microsoft Office 2019, Microsoft Microsoft 365 Apps for Enterprise.

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