Cross-site scripting in Microsoft SharePoint Server - CVE-2026-69615

 

Cross-site scripting in Microsoft SharePoint Server - CVE-2026-69615

Published: September 8, 2026


Vulnerability identifier: #VU147848
CSH Severity: Low
CVSS v4: 4.8 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N]
CVE-ID: CVE-2026-69615
CWE-ID: CWE-79
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote user to perform spoofing.

The vulnerability exists due to improper neutralization of input during web page generation in Microsoft Office SharePoint when rendering a malicious site. A remote privileged user can send a victim a malicious site and convince them to open it to perform spoofing.

User interaction is required to open the malicious site.


Affected software

Microsoft SharePoint Server

How to mitigate CVE-2026-69615

Install security update from vendor's website.

Microsoft SharePoint Server - update to 16.0.20326.20090

External References

Related Security Bulletins