CVE-2026-105713 Microsoft Office SharePoint Spoofing Vulnerability
An authorized attacker can perform spoofing via server-side request forgery in Microsoft SharePoint Server over an adjacent network.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-105713?
CVE-2026-105713 is a medium-severity server-side request forgery vulnerability in Microsoft Sharepoint Server, published on 13 Oct 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Server-side request forgery (ssrf) in Microsoft Office SharePoint allows an authorized attacker to perform spoofing over an adjacent network.
Weakness: CWE-918
Which versions are affected by CVE-2026-105713?
It affects 1 product.
Products include Microsoft Sharepoint Server.
How do I fix CVE-2026-105713?
No fix has been published for CVE-2026-105713 yet. Limit exposure of the affected software until one is available.
Upgrade, and send outbound requests through an allow-list that blocks internal addresses. More about Server-side request forgery.
Is CVE-2026-105713 being exploited?
There is no known exploitation of CVE-2026-105713 in the wild and no public exploit code.
Other vulnerabilities in Microsoft Sharepoint Server
- CVE-2026-50522 Microsoft SharePoint Deserialization of Untrusted Data Vulnerability
- CVE-2026-58644 Microsoft SharePoint Deserialization of Untrusted Data
- CVE-2026-20963 Microsoft SharePoint Deserialization of Untrusted Data
- CVE-2025-53770 Microsoft SharePoint Deserialization of Untrusted Data
- CVE-2023-29357 Microsoft SharePoint Server Privilege Escalation
Sources
Also known as GHSA-w2r8-6259-qr8m.