Incorrect authorization in Microsoft SharePoint Server - CVE-2026-105720
Published: October 13, 2026
Vulnerability identifier: #VU154346
CSH Severity: Low
CVSS v4: 5.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-105720
CWE-ID: CWE-863
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 incorrect authorization in the Microsoft SharePoint Holds list when scheduling hold-processing operations. A remote user can schedule hold-processing operations normally restricted to users who manage holds to escalate privileges.
Exploitation requires read-only access to the SharePoint Holds list.
Affected software
Microsoft SharePoint Server
How to mitigate CVE-2026-105720
Install security update from vendor's website.
Microsoft SharePoint Server - update to 16.0.20326.20190