High severity8.8NVD Advisory· Published Dec 15, 2021· Updated Jun 17, 2026
CVE-2021-42309
CVE-2021-42309
Description
Microsoft SharePoint Server Remote Code Execution Vulnerability
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
6cpe:2.3:a:microsoft:sharepoint_enterprise_server:2016:*:*:*:*:*:*:*+ 4 more
- cpe:2.3:a:microsoft:sharepoint_enterprise_server:2016:*:*:*:*:*:*:*
- cpe:2.3:a:microsoft:sharepoint_server:-:*:*:*:subscription:*:*:*
- cpe:2.3:a:microsoft:sharepoint_server:2016:*:*:*:enterprise:*:*:*range: 16.0.0
- cpe:2.3:a:microsoft:sharepoint_server:2019:*:*:*:*:*:*:*
- (no CPE)
- cpe:2.3:a:microsoft:sharepoint_foundation:2013:sp1:*:*:*:*:*:*
Patches
Vulnerability mechanics
References
2- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-42309nvdPatchVendor Advisory
- www.zerodayinitiative.com/advisories/ZDI-22-074/nvdThird Party AdvisoryVDB Entry
News mentions
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