CVE-2026-69562: CWE-125: Out-of-bounds Read in Microsoft Microsoft SQL Server 2017 (CU 31)
Description
CVE-2026-69562 is an out-of-bounds read vulnerability in Microsoft SQL Server 2017 (CU 31) that allows an unauthorized attacker to disclose information over a network. The vulnerability has a medium severity with a CVSS score of 6.5. An official fix is available from Microsoft.
CVSS v3.1
Score 6.5medium
Affected software
Microsoft
Microsoft SQL Server 2017 (CU 31)
Microsoft
Microsoft SQL Server 2017 (GDR)
Microsoft
Microsoft SQL Server 2019 (CU 32)
Microsoft
Microsoft SQL Server 2019 (GDR)
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves an out-of-bounds read in Microsoft SQL Server 2017 (CU 31), which can be exploited by an unauthorized attacker to disclose sensitive information over a network. The CVSS 3.1 vector indicates the attack requires network access with low complexity, no privileges, and user interaction. The impact is confidentiality loss without integrity or availability impact. Microsoft has published an official fix addressing this issue.
Potential Impact
An attacker can exploit this vulnerability remotely without privileges to read memory outside the intended bounds, potentially disclosing sensitive information. There is no impact on integrity or availability. No known exploits are reported in the wild at this time.
Mitigation Recommendations
An official fix is available from Microsoft. Users should apply the security update provided in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69562 to remediate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-08-03T21:15:56.835Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69562","vendor":"Microsoft"}]
Threat ID: 6aa0450dacd9273b49fa8c17
Added to database: 09/08/2026, 17:25:33 UTC
Last enriched: 10/16/2026, 20:41:35 UTC
Last updated: 10/23/2026, 15:10:14 UTC
Views: 22
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