CVE-2026-68776: CWE-908: Use of Uninitialized Resource in Microsoft Microsoft SQL Server 2017 (CU 31)
Description
CVE-2026-68776 is a vulnerability in Microsoft SQL Server 2017 (CU 31) involving the use of an uninitialized resource. This flaw allows an authorized attacker to disclose information over a network. The vulnerability has a medium severity rating 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)
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 (CVE-2026-68776) in Microsoft SQL Server 2017 (CU 31) is classified as CWE-908, which involves the use of an uninitialized resource. An authorized attacker can exploit this flaw to disclose sensitive information over the network. The CVSS v3.1 base score is 6.5, indicating a medium severity impact primarily on confidentiality. The vulnerability affects multiple version ranges of Microsoft SQL Server 2017 and later, as specified. Microsoft has released an official fix for this issue.
Potential Impact
An authorized attacker can leverage this vulnerability to disclose sensitive information over the network, potentially compromising confidentiality. There is no impact on integrity or availability reported. No known exploits are currently observed in the wild.
Mitigation Recommendations
An official fix is available from Microsoft. Users should apply the vendor-provided patches as detailed in the Microsoft Security Response Center advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-68776 to remediate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-07-31T16:33:08.214Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-68776","vendor":"Microsoft"}]
Threat ID: 6aa044d0acd9273b49fa7bd4
Added to database: 09/08/2026, 17:24:32 UTC
Last enriched: 10/16/2026, 20:52:34 UTC
Last updated: 10/23/2026, 15:10:14 UTC
Views: 36
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