CVE-2024-43459
Published: 12 November 2024
Summary
CVE-2024-43459 is a high-severity Use After Free (CWE-416) vulnerability in Microsoft Sql Server 2016. Its CVSS base score is 8.8 (High).
Operationally, ranked in the top 15.1% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
Deeper analysis
The vulnerability CVE-2024-43459 is a remote code execution flaw in SQL Server Native Client, classified under CWE-416 as a use-after-free condition. It affects the SQL Server Native Client component and is rated 8.8 on CVSS 3.1 with an attack vector of network, low complexity, no privileges required, and user interaction needed for successful exploitation.
An unauthenticated attacker can trigger the flaw remotely by supplying malicious input that leads to arbitrary code execution, resulting in full impact on confidentiality, integrity, and availability of the target system.
The Microsoft Security Response Center advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-43459 addresses patches and mitigation steps for the affected software. The EPSS score rose from a low baseline to a peak of 0.0703 on 2025-12-11 before receding to the current value of 0.0223, indicating a period of increased exploitation interest after public disclosure.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2024-40728
Vulnerability details
SQL Server Native Client Remote Code Execution Vulnerability
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Mitigating Controls
Likely Mitigating Controls AI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
Use-after-free exploits that achieve arbitrary code execution are blocked or significantly hardened by non-executable pages and ASLR.