Improper Authentication in Microsoft products - CVE-2025-49706
Published: July 9, 2025 / Updated: July 22, 2025
Vulnerability identifier: #VU112655
CSH Severity: Medium
CVSS v4.0: 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/E:A/U:Green
CVE-ID: CVE-2025-49706
CWE-ID: CWE-287
Exploitation vector: Remote access
Exploit availability:
The vulnerability is being exploited in the wild
Vendor: Microsoft
Affected software:
Microsoft SharePoint Server
Microsoft SharePoint Enterprise Server
Microsoft SharePoint Server Subscription Edition
Microsoft SharePoint Server
Microsoft SharePoint Enterprise Server
Microsoft SharePoint Server Subscription Edition
Detailed vulnerability description
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.
How to mitigate CVE-2025-49706
Install updates from vendor's website.