CVE-2026-70246: Microsoft Office SharePoint Elevation of Privilege Vulnerability
Incorrect authorization in Microsoft Office SharePoint allows an authorized attacker to elevate privileges over a network.
Other sources
Microsoft Office SharePoint Elevation of Privilege Vulnerability
— Microsoft
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 16.0.20326.20190Patch KB5002927
Event History
Frequently Asked Questions
What level of access does an attacker need to exploit this vulnerability?
The attacker must already be authorized to access the affected SharePoint environment. Exploitation can be performed over the network and does not require user interaction.
What is the likely impact if exploitation succeeds?
A successful attacker can elevate privileges. The supplied severity vector indicates high potential impact to confidentiality, integrity, and availability.
Which product is identified as affected?
The affected product identified in the available data is Microsoft SharePoint Server Subscription Edition.