CVE-2026-68779: CWE-125: Out-of-bounds Read in Microsoft Microsoft SQL Server 2017 (CU 31)
Description
CVE-2026-68779 is an out-of-bounds read vulnerability in Microsoft SQL Server 2017 (CU 31) that allows an authorized attacker to disclose information over a network. The vulnerability has a CVSS score of 6.5 (medium severity). 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)
Microsoft
Microsoft SQL Server 2022 (CU 26)
Microsoft
Microsoft SQL Server 2022 (GDR)
Microsoft
Microsoft SQL Server 2025 (CU8)
Microsoft
Microsoft SQL Server 2025 for x64-based Systems (GDR)
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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 authorized attacker to disclose sensitive information over the network. The CVSS 3.1 vector indicates that the attack requires network access with low complexity and privileges, does not require user interaction, and impacts confidentiality with a high impact rating. Integrity and availability are not affected. Microsoft has released an official fix for this issue.
Potential Impact
An authorized attacker can exploit this vulnerability to read memory outside the intended bounds, potentially disclosing sensitive information over the network. There is no impact on system 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-2026-68779 to remediate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-07-31T16:33:08.215Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-68779","vendor":"Microsoft"}]
Threat ID: 6aa044d0acd9273b49fa7bda
Added to database: 09/08/2026, 17:24:32 UTC
Last enriched: 10/16/2026, 20:52:50 UTC
Last updated: 10/23/2026, 15:10:14 UTC
Views: 35
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