Local code execution via undisclosed integer overflow
Published Feb 14, 2023 · Updated Aug 19, 2026
Integer overflow in Microsoft ODBC Driver for SQL Server in affected SQL Server builds allows local users to execute arbitrary code. Microsoft identifies the ODBC driver as the affected component but has not disclosed the routine, attacker-controlled input, or overflow-to-execution path. Exploitation requires low-privileged local access; successful exploitation executes code in the vulnerable process context.
Summary
What happened
Integer overflow in Microsoft ODBC Driver for SQL Server in affected SQL Server builds allows local users to execute arbitrary code. Microsoft identifies the ODBC driver as the affected component but has not disclosed the routine, attacker-controlled input, or overflow-to-execution path. Exploitation requires low-privileged local access; successful exploitation executes code in the vulnerable process context.
The record
- CVE
- CVE-2023-21704
- Published
- Feb 14, 2023
- Updated
- Aug 19, 2026
- Vendor
- Microsoft
- Product
- Microsoft SQL Server 2016 Service Pack 3 Azure Connect Feature Pack
- Classifications
- CWE-190
- Attack vector
- local
- Privileges
- authenticated
Timeline
How it unfolded
- Feb 14, 2023CVE publishedPublication date reported by the CVE source.
- Aug 19, 2026Record 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.
- Affected versionversion=13.0.0 <13.0.7024.30
What conditions does exploitation require?
What is affected?
Published CVSS scores
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.
Weakness, pattern, technique
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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