CVE-2026-70217: Microsoft Office SharePoint Information Disclosure Vulnerability
Improper access control in Microsoft Office SharePoint allows an authorized attacker to disclose information over a network.
Other sources
Microsoft Office SharePoint Information Disclosure 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 issue?
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 the vulnerability is exploited?
An authorized attacker may disclose information. The provided severity metrics indicate high confidentiality impact, with no indicated integrity or availability impact.
Which product is identified as affected?
The affected software listed is Microsoft SharePoint Server Subscription Edition.