CVE-2021-42294 Microsoft SharePoint Server Remote Code Execution Vulnerability

Description

Microsoft SharePoint Server Remote Code Execution Vulnerability

Affected products and versions

Product	Affected versions	Fixed in
Microsoft SharePoint Enterprise Server 2016 16.0	16.0.0 → < 16.0.5254.1000	16.0.5254.1000
Microsoft SharePoint Enterprise Server 2013 Service Pack 1 15.0	15.0.0 → < 15.0.5407.1000	15.0.5407.1000
Microsoft SharePoint Server 2019 16.0	16.0.0 → < 16.0.10381.20001	16.0.10381.20001
Microsoft SharePoint Server Subscription Edition 16.0	16.0.0 → < 16.0.14326.20620	16.0.14326.20620
SharePoint Server Subscription Edition Language Pack 16.0	16.0.0 → < 16.0.14326.20620	16.0.14326.20620
Microsoft SharePoint Foundation 2013 Service Pack 1 15.0	15.0.0 → < 15.0.5407.1000	15.0.5407.1000

Other CVEs of Microsoft SharePoint Enterprise Server 2016

The 337 CVEs of Microsoft SharePoint Enterprise Server 2016 →

CVE-2026-97783 Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Office SharePoint… 8.1 High CVE-2026-69943 Improper limitation of a pathname to a restricted directory ('path traversal') in Microsoft Office SharePoint allows… 8.8 High CVE-2026-62917 Improper input validation in Microsoft Office SharePoint allows an authorized attacker to perform spoofing over a… 4.6 Medium CVE-2026-62839 Insufficiently protected credentials in Microsoft Office SharePoint allows an authorized attacker to perform spoofing… 6.5 Medium