Unrated severityNVD Advisory· Published Mar 11, 2021· Updated Nov 19, 2024
Microsoft SharePoint Server Remote Code Execution Vulnerability
CVE-2021-27076
Description
Microsoft SharePoint Server Remote Code Execution Vulnerability
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
4- cpe:2.3:a:microsoft:sharepoint_foundation:2013:sp1:*:*:*:*:*:*Range: 15.0.0
cpe:2.3:a:microsoft:sharepoint_server:2016:*:*:*:enterprise:*:*:*+ 2 more
- cpe:2.3:a:microsoft:sharepoint_server:2016:*:*:*:enterprise:*:*:*range: 16.0.0
- cpe:2.3:a:microsoft:sharepoint_server:2019:*:*:*:*:*:*:*range: 16.0.0
- (no CPE)
Patches
Vulnerability mechanics
No source-code context for this CVE — mechanics is only generated when we can read the actual fix diff. Without that, the four sections (root cause, attack vector, affected code, fix) would be speculation rather than analysis.
References
2- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-27076mitrex_refsource_MISC
- www.zerodayinitiative.com/advisories/ZDI-21-276/mitrex_refsource_MISC
News mentions
1- StrikeShark: investigating a new campaign delivering Cobalt Strike through SharkLoaderSecurelist · Jun 24, 2026