Server-Side Request Forgery (SSRF) in Microsoft SharePoint Server - CVE-2026-70324
Published: August 12, 2026
Vulnerability identifier: #VU141855
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-2026-70324
CWE-ID: CWE-918
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to elevate privileges.
The vulnerability exists due to server-side request forgery (ssrf) in Microsoft Office SharePoint when handling network requests. A remote user can send a specially crafted request to elevate privileges.
In some cases, exposed sensitive information could provide access to internal networks.
Affected software
Microsoft SharePoint Server
How to mitigate CVE-2026-70324
Install security update from vendor's website.
Microsoft SharePoint Server - addressed in versions 16.0.5565.1001, 16.0.10417.20198, 16.0.19725.20522