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High severity7.1NVD Advisory· Published Jun 8, 2021· Updated Jun 17, 2026

CVE-2021-26420

CVE-2021-26420

Description

Microsoft SharePoint Server Remote Code Execution Vulnerability

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

5

Microsoft/Sharepoint Server4 versions
cpe:2.3:a:microsoft:sharepoint_enterprise_server:2016:*:*:*:*:*:*:*+ 3 more
- cpe:2.3:a:microsoft:sharepoint_enterprise_server:2016:*:*:*:*:*:*:*
- cpe:2.3:a:microsoft:sharepoint_server:2016:*:*:*:enterprise:*:*:*range: 16.0.0
- cpe:2.3:a:microsoft:sharepoint_server:2019:*:*:*:*:*:*:*
- (no CPE)
Microsoft/Sharepoint Foundation
cpe:2.3:a:microsoft:sharepoint_foundation:2013:sp1:*:*:*:*:*:*

Patches

Vulnerability mechanics

References

2

portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26420nvdPatchVendor Advisory
www.zerodayinitiative.com/advisories/ZDI-21-755/nvdThird Party AdvisoryVDB Entry

News mentions

0

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