Server-Side Request Forgery (SSRF) in Microsoft SharePoint Server - CVE-2026-70202
Published: October 14, 2026
Vulnerability identifier: #VU154638
CSH Severity: Low
CVSS v4: 7.7 [CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-70202
CWE-ID: CWE-918
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to escalate privileges.
The vulnerability exists due to server-side request forgery in Microsoft Office SharePoint when handling network requests. A remote user can exploit the server-side request forgery over a network to escalate privileges.
Successful exploitation requires specific conditions, such as particular protocol settings or configurations.
Affected software
Microsoft SharePoint Server
How to mitigate CVE-2026-70202
Install security update from vendor's website.
Microsoft SharePoint Server - update to 16.0.20326.20190