CVE-2024-37331Network attack vector

Remote code execution via OLE DB heap overflow

Published Jul 9, 2024 · Updated Dec 9, 2025

A heap-based buffer overflow in Microsoft SQL Server Native Client OLE DB Provider allows remote attackers to execute arbitrary code. The provider corrupts heap memory while processing untrusted data, but Microsoft has not disclosed the affected routine or malformed field. Exploitation requires a user to connect through the provider to a malicious SQL Server, and successful execution runs in the client process context.

CVSS severity8.8
High
EPSS probability1.85%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

A heap-based buffer overflow in Microsoft SQL Server Native Client OLE DB Provider allows remote attackers to execute arbitrary code. The provider corrupts heap memory while processing untrusted data, but Microsoft has not disclosed the affected routine or malformed field. Exploitation requires a user to connect through the provider to a malicious SQL Server, and successful execution runs in the client process context.

The record

CVE
CVE-2024-37331
Published
Jul 9, 2024
Updated
Dec 9, 2025
Vendor
Microsoft
Product
Microsoft SQL Server 2016 Service Pack 3 Azure Connect Feature Pack
Classifications
CWE-122, T1203
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jul 9, 2024CVE publishedPublication date reported by the CVE source.
  2. Dec 9, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=13.0.0 <13.0.7037.1

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Microsoft · Microsoft SQL Server 2016 Service Pack 3 Azure Connect Feature Packversion=13.0.0 <13.0.7037.1
Microsoft · Microsoft SQL Server 2022version=16.0.0 <16.0.1121.4; version=16.0.0 <16.0.4131.2
Microsoft · Microsoft SQL Server 2019version=15.0.0 <15.0.2116.2; version=15.0.0 <15.0.4382.1
Microsoft · Microsoft SQL Server 2017version=14.0.0 <14.0.2056.2; version=14.0.0 <14.0.3471.2
Microsoft · Microsoft SQL Server 2016 Service Pack 3version=13.0.0 <13.0.6441.1

Published CVSS scores

8.8Microsoft CorporationCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-122Heap-based Buffer Overflow
T1203Exploitation for Client Execution

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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