Multiple vulnerabilities in Microsoft SQL Server
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 3 |
| CVE-ID | CVE-2025-49717 CVE-2025-49718 CVE-2025-49719 |
| CWE-ID | CWE-122 CWE-908 CWE-20 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software |
Microsoft SQL Server Server applications / Database software |
| Vendor | Microsoft |
Security Bulletin
This security bulletin contains information about 3 vulnerabilities.
1) Heap-based buffer overflow
EUVDB-ID: #VU112564
Risk: Medium
CVSSv4.0: 5.2 [CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]
CVE-ID: CVE-2025-49717
CWE-ID:
CWE-122 - Heap-based Buffer Overflow
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error in Microsoft SQL Server. A remote user can pass specially crafted data to the application, trigger a heap-based buffer overflow and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
MitigationInstall updates from vendor's website.
Vulnerable software versionsMicrosoft SQL Server: before
CPE2.3 External linkshttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-49717
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.
How the attacker can exploit this vulnerability?
The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
2) Use of uninitialized resource
EUVDB-ID: #VU112568
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-2025-49718
CWE-ID:
CWE-908 - Use of Uninitialized Resource
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to bypass certain security restrictions.
The vulnerability exists due to usage of uninitialized resources in Microsoft SQL Server. A remote attacker can pass specially crafted data to the application, trigger uninitialized usage of resources and gain access to sensitive information on the system.
MitigationInstall updates from vendor's website.
Vulnerable software versionsMicrosoft SQL Server: before
CPE2.3 External linkshttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-49718
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
How the attacker can exploit this vulnerability?
The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
3) Input validation error
EUVDB-ID: #VU112566
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 - Improper input validation
Exploit availability: No
DescriptionThe 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.
MitigationInstall updates from vendor's website.
Vulnerable software versionsMicrosoft SQL Server: before 16.0.1140.6
CPE2.3 External linkshttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-49719
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
How the attacker can exploit this vulnerability?
The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
