High severity7.8NVD Advisory· Published Oct 13, 2021· Updated Jun 17, 2026
CVE-2021-40486
CVE-2021-40486
Description
Microsoft Word Remote Code Execution Vulnerability
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
13- cpe:2.3:a:microsoft:office_online_server:-:*:*:*:*:*:*:*
- cpe:2.3:a:microsoft:office_web_apps_server:2013:sp1:*:*:*:*:*:*
cpe:2.3:a:microsoft:sharepoint_enterprise_server:2013:sp1:*:*:*:*:*:*+ 4 more
- cpe:2.3:a:microsoft:sharepoint_enterprise_server:2013:sp1:*:*:*:*:*:*
- cpe:2.3:a:microsoft:sharepoint_enterprise_server:2016:*:*:*:*:*:*:*
- cpe:2.3:a:microsoft:sharepoint_server:2013:sp1:*:*:enterprise:*:*:*range: 15.0.0
- cpe:2.3:a:microsoft:sharepoint_server:2016:*:*:*:enterprise:*:*:*range: 16.0.0
- cpe:2.3:a:microsoft:sharepoint_server:2019:*:*:*:*:*:*:*
Patches
Vulnerability mechanics
References
2- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-40486nvdPatchVendor Advisory
- www.zerodayinitiative.com/advisories/ZDI-21-1158/nvdThird Party Advisory
News mentions
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