Cloud Vulnerability DB
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Vulnerability DatabaseCVE-2025-49717
CVE-2025-49717:
vulnerability analysis and mitigation
Overview
A heap-based buffer overflow vulnerability (CVE-2025-49717) was discovered in Microsoft SQL Server, disclosed on July 8, 2025. The vulnerability affects multiple versions of SQL Server 2019 and SQL Server 2022, allowing an authorized attacker to execute code over a network (NVD, CVE).
Technical details
The vulnerability has been assigned a CVSS base score of 8.5 (HIGH) with the vector string CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H. The attack complexity is rated as high, requiring the attacker to perform additional preparatory actions before exploitation. The vulnerability is classified as CWE-122 (Heap-based Buffer Overflow) (NVD, Lansweeper).
Impact
If successfully exploited, this vulnerability allows an authorized attacker to execute arbitrary code over the network, potentially leading to complete system compromise with high impacts on confidentiality, integrity, and availability (NVD).
Mitigation and workarounds
Microsoft has released security updates to address this vulnerability. The patches are available through Microsoft's standard update channels, with specific guidance provided for GDR and Cumulative Update (CU) updates (Lansweeper).
Additional resources
Source: This report was generated using AI
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