CVE-2026-70267: Microsoft Office SharePoint Remote Code Execution Vulnerability
Inclusion of functionality from untrusted control sphere in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.
Other sources
Microsoft Office SharePoint Remote Code Execution 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 potential impact if exploitation succeeds?
A successful attacker may execute code on the affected SharePoint Server. The supplied severity vector indicates high confidentiality, integrity, and availability impact.
Is Microsoft SharePoint Server Subscription Edition affected?
Yes. The affected software listed for this vulnerability is Microsoft SharePoint Server Subscription Edition.