CVE-2025-49706
Microsoft SharePoint Improper Authentication Vulnerability
Description
Microsoft SharePoint contains an improper authentication vulnerability that allows an authorized attacker to perform spoofing over a network. Successfully exploitation could allow an attacker to view sensitive information and make some changes to disclosed information. This vulnerability could be chained with CVE-2025-49704. CVE-2025-53771 is a patch bypass for CVE-2025-49706, and the updates for CVE-2025-53771 include more robust protection than those for CVE-2025-49706.
How to fix CVE-2025-49706
No package mapping is available — consult the references below for vendor-specific guidance.
Is CVE-2025-49706 being exploited?
Yes — CVE-2025-49706 is on the CISA Known Exploited Vulnerabilities (KEV) catalog. Patch immediately.
Affected packages (0)
No package mapping in OSV.