Code Injection in Microsoft products - CVE-2026-65660

 

Code Injection in Microsoft products - CVE-2026-65660

Published: August 11, 2026


Vulnerability identifier: #VU141470
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-65660
CWE-ID: CWE-94
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to improper input validation in Microsoft SharePoint Server. A remote user can execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


Affected software

Microsoft SharePoint Enterprise Server
Microsoft SharePoint Server
Microsoft SharePoint Server Subscription Edition

How to mitigate CVE-2026-65660

Install updates from vendor's website.

Microsoft SharePoint Enterprise Server - update to 16.0.5565.1001
Microsoft SharePoint Server - update to 16.0.10417.20198
Microsoft SharePoint Server Subscription Edition - update to 16.0.19725.20522

External References

Related Security Bulletins