High severity8.8NVD Advisory· Published Aug 11, 2026· Updated Sep 24, 2026
CVE-2026-65660
CVE-2026-65660
Description
Improper control of generation of code ('code injection') in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.
Affected products
4cpe:2.3:a:microsoft:sharepoint_server:*:*:*:*:subscription:*:*:*+ 2 more
- cpe:2.3:a:microsoft:sharepoint_server:*:*:*:*:subscription:*:*:*range: <16.0.19725.20522
- cpe:2.3:a:microsoft:sharepoint_server:2016:*:*:*:enterprise:*:*:*
- cpe:2.3:a:microsoft:sharepoint_server:2019:*:*:*:*:*:*:*
Patches
Vulnerability mechanics
References
1- msrc.microsoft.com/update-guide/vulnerability/CVE-2026-65660nvdPatchVendor Advisory
News mentions
5- Microsoft SharePoint Flaw Lets Attackers Execute Code Remotely With Low PrivilegesCyber Security News · Sep 22, 2026
- SharePoint Flaw Initially Listed as Spoofing by Microsoft Enables Authenticated RCEThe Hacker News · Sep 22, 2026
- Patch Tuesday - August 2026Rapid7 Blog · Aug 11, 2026
- Microsoft's August 2026 Patch Tuesday addresses 398 CVEs (CVE-2026-68820)Tenable Blog · Aug 11, 2026
- Microsoft Patch Tuesday Update August 2026 – 394 Vulnerabilities Fixed, Including 3 Zero-DaysCyber Security News · Aug 11, 2026