Improper Authentication in Microsoft products - CVE-2025-49706
Published: July 9, 2025 / Updated: July 22, 2025
Vulnerability identifier: #VU112655
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2025-49706
CWE-ID: CWE-287
Exploitation vector: Remote access
Exploit availability:
The vulnerability is being exploited in the wild
Vulnerability details
The vulnerability allows a remote attacker to bypass authentication process.
The vulnerability exists due to an error in when processing authentication requests in Microsoft SharePoint Server. A remote attacker can perform spoofing attack and gain unauthorized access to sensitive information.
Affected software
Microsoft SharePoint Enterprise Server
Microsoft SharePoint Server
Microsoft SharePoint Server Subscription Edition
Microsoft SharePoint Server
Microsoft SharePoint Server Subscription Edition
How to mitigate CVE-2025-49706
Install updates from vendor's website.
Microsoft SharePoint Enterprise Server - update to 16.0.5508.1000
Microsoft SharePoint Server - update to 16.0.10417.20027 16.0.10417.20027
Microsoft SharePoint Server Subscription Edition - update to 16.0.18526.20424
Microsoft SharePoint Server - update to 16.0.10417.20027 16.0.10417.20027
Microsoft SharePoint Server Subscription Edition - update to 16.0.18526.20424