CVE-2024-21303

High

Published: 09 July 2024

Published

09 July 2024

Modified

21 November 2024

KEV Added

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Patch

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CVSS Score v3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS Score 0.0301 86.9th percentile

Risk Priority 19 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2024-21303 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 13.1% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

SQL Server Native Client OLE DB Provider Remote Code Execution Vulnerability

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

microsoft

sql server 2016

13.0.6441.1, 13.0.7037.1 · 13.0.0.0 — 13.0.6441.1 · 13.0.6441.2 — 13.0.7037.1

microsoft

sql server 2017

14.0.0.0 — 14.0.2056.2 · 14.0.2056.3 — 14.0.3471.2

microsoft

sql server 2019

15.0.0.0 — 15.0.2116.2 · 15.0.2116.3 — 15.0.4382.1

microsoft

sql server 2022

16.0.0.0 — 16.0.1121.4 · 16.0.1121.5 — 16.0.4131.2

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.

addresses: CWE-416

Use-after-free exploits that achieve arbitrary code execution are blocked or significantly hardened by non-executable pages and ASLR.