What is CVE-2021-26420?

CVE-2021-26420 is a security advisory published by Microsoft Security Response Center (MSRC) with High severity. Microsoft SharePoint Server Remote Code Execution Vulnerability

Which CVE IDs does CVE-2021-26420 cover?

CVE-2021-26420 covers the following CVE IDs: CVE-2021-26420. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2021-26420?

CVE-2021-26420 has a CVSS v3 base score of 7.1, published by Microsoft Security Response Center (MSRC).

Which products are affected by CVE-2021-26420?

CVE-2021-26420 affects 3 products, including: Microsoft SharePoint Enterprise Server 2016; Microsoft SharePoint Foundation 2013 Service Pack 1; Microsoft SharePoint Server 2019.

CVE-2021-26420HighCVSS 7.1

Microsoft SharePoint Server Remote Code Execution Vulnerability

Vendor

Microsoft Security Response Center (MSRC)

Published

June 8, 2021

Last Modified

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🔗 CVE IDs covered (1)

CVE-2021-26420 →

🎯 Affected products3

Microsoft SharePoint Enterprise Server 2016
Microsoft SharePoint Foundation 2013 Service Pack 1
Microsoft SharePoint Server 2019

✅ Remediation

KB5001946 (Security Update) — fixed build 16.0.5173.1000 KB5001944 (Security Update) — fixed build 16.0.10375.20000 KB5001962 (Security Update) — fixed build 15.0.5353.1000

🔗 References (7)

advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-26420
patchhttps://www.microsoft.com/downloads/details.aspx?familyid=29e155c6-6f3d-4f43-b08b-2f7976876511
referencehttps://support.microsoft.com/help/5001946
patchhttps://www.microsoft.com/downloads/details.aspx?familyid=b009b05d-86c1-404d-947d-759d1a60ae12
referencehttps://support.microsoft.com/help/5001944
patchhttps://www.microsoft.com/downloads/details.aspx?familyid=a8ba0918-5776-4ba8-98dc-4cb71653ee0d
referencehttps://support.microsoft.com/help/5001962