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Microsoft Office SharePoint

CVE-2020-0932 — Microsoft SharePoint Remote Code Execution Vulnerability

Critical CVSS 8.8 EPSS 0.31213 2020-04 archive

Executive Summary

A remote code execution vulnerability exists in Microsoft SharePoint when the software fails to check the source markup of an application package. An attacker who successfully exploited the vulnerability could run arbitrary code in the context of the SharePoint application pool and the SharePoint server farm account. Exploitation of this vulnerability requires that a user uploads a specially crafted SharePoint application package to an affected version of SharePoint. The security update addresses the vulnerability by correcting how SharePoint checks the source markup of application packages.

Overview

8.8
CVSS HIGH
Critical
MS Severity
Not Exploited
MS Exploit Status
Less Likely
MS Exploit Likelihood
Category Remote Code Execution
Released Apr 14 2020
Last Updated Apr 14 2020
Publicly Disclosed No
CISA KEV Not Listed
Known Exploits None Known
EPSS Score 0.31213 — 0.98042 percentile
NVD CVSS 8.8 HIGH — differs from MSRC

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
ATTACK VECTOR
Network
ATTACK COMPLEXITY
Low
PRIVILEGES REQUIRED
Low
USER INTERACTION
None
SCOPE
Unchanged

EPSS Score

0.31213
probability of exploitation in the next 30 days
0.98042 percentile - updated 2026-06-21
View on FIRST.org

Affected Products

3 affected products
Product KB Article Severity Impact Restart Required
Microsoft SharePoint Enterprise Server 2016 4484299 (Security Update) Critical Remote Code Execution Maybe
Microsoft SharePoint Foundation 2013 Service Pack 1 4484321 (Security Update) Critical Remote Code Execution Maybe
Microsoft SharePoint Server 2019 4484292 (Security Update) Critical Remote Code Execution Maybe

Patches

3 patches
Article Type Restart
4484299 Security Update Maybe
4484321 Security Update Maybe
4484292 Security Update Maybe

Known Exploits

On This Page