Authenticated memory disclosure via buffer over-read
Published Sep 8, 2026 · Updated Sep 10, 2026
Buffer over-read in Microsoft SQL Server 2019, 2022, and 2025 allows remote authenticated users to disclose server memory over a network. The published record identifies an out-of-bounds read but does not name the affected function, input field, or parsing operation. A valid database login is required, and the reported consequence is limited to reading memory rather than altering data or interrupting service.
Summary
What happened
Buffer over-read in Microsoft SQL Server 2019, 2022, and 2025 allows remote authenticated users to disclose server memory over a network. The published record identifies an out-of-bounds read but does not name the affected function, input field, or parsing operation. A valid database login is required, and the reported consequence is limited to reading memory rather than altering data or interrupting service.
The record
- CVE
- CVE-2026-73029
- Published
- Sep 8, 2026
- Updated
- Sep 10, 2026
- Vendor
- Microsoft
- Product
- Microsoft SQL Server 2022
- Classifications
- CWE-126, T1190
- Attack vector
- network
- Privileges
- authenticated
Timeline
How it unfolded
- Sep 8, 2026CVE publishedPublication date reported by the CVE source.
- Sep 10, 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=16.0.0.0 <16.0.4275.2
- Affected versionversion=16.0.0 <16.0.1200.5
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
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Public exploit references
No public exploit references are available in this record.
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Technologies
Your stack
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Your stack
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