Executive brief
Microsoft Office SharePoint is a collaboration and document management platform used by enterprises to manage shared content and workflows. An authenticated attacker with authorized access can exploit improper privilege handling to escalate their permissions beyond their assigned level, potentially gaining administrative control or access to sensitive business data.
Technical details
This vulnerability exists in Microsoft Office SharePoint due to execution with unnecessary privileges, allowing an authenticated, network-accessible attacker to escalate privileges. The root cause stems from improper privilege management in the application's execution model. An attacker who already holds valid credentials can leverage this flaw to gain elevated permissions without requiring additional exploitation steps. Successful exploitation could allow unauthorized access to confidential documents, modification of business-critical content, or further compromise of the SharePoint infrastructure.
Affected products
- Microsoft Office SharePoint
Timeline
- 2026-09-08: disclosed