#VU112566 Input validation error in Microsoft SQL Server - CVE-2025-49719

Vulnerability identifier: #VU112566

Vulnerability risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2025-49719

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Microsoft SQL Server
Server applications / Database software

Vendor: Microsoft

Description

The vulnerability allows a remote attacker to gain access to sensitive information on the system.

The vulnerability exists due to insufficient validation of user-supplied input in Microsoft SQL Server. A remote attacker can pass specially crafted input to the application and disclose sensitive information.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Microsoft SQL Server: before 16.0.1140.6

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External links
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-49719

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.