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CVE-2026-67624 Microsoft CVE debrief

Microsoft SQL Server Information Disclosure Vulnerability allows an authorized attacker to disclose information over a network due to an out-of-bounds read in SQL Server. This vulnerability has a CVSS score of 6.5 and is considered MEDIUM severity. The CVE record was published on 2026-09-08T17:18:35.483Z and was last modified on 2026-10-08T18:19:40.201Z.

Vendor
Microsoft
Product
Microsoft SQL Server 2019 (CU 32)
CVSS
MEDIUM 6.5
CISA KEV
Not listed in stored evidence
Original CVE published
2026-09-08
Original CVE updated
2026-10-08
Advisory published
2026-09-08
Advisory updated
2026-10-08

Who should care

Defenders responsible for SQL Server deployments should assess exposure and prioritize patching. System administrators and security teams should verify inventory and monitor for potential information disclosure attempts.

Why it matters

CVE-2026-67624 is a MEDIUM-severity vulnerability in Microsoft SQL Server that allows authorized attackers to disclose information over a network. Defenders should prioritize patching affected versions, verifying inventory, and monitoring for potential information disclosure attempts.

  • Verify patch status of SQL Server deployments to prevent information disclosure
  • Assess exposure of sensitive data in SQL Server databases
  • Monitor network traffic for potential information disclosure attempts
  • Prioritize patching for SQL Server versions with known vulnerabilities

Technical summary

The vulnerability is caused by an out-of-bounds read in SQL Server, allowing an authorized attacker to disclose information over a network. Affected versions include Microsoft SQL Server 2019 (CU 32), 2019 (GDR), 2022 (CU 26), 2022 (GDR), 2025 (CU8), and 2025 for x64-based Systems (GDR).

Defensive priority

Defenders should prioritize patching affected SQL Server versions, verifying inventory for vulnerable configurations, and monitoring for potential information disclosure attempts.

Recommended defensive actions

  • Patch affected SQL Server versions
  • Verify inventory for vulnerable configurations
  • Monitor for potential information disclosure attempts

Evidence notes

The CVE Program record and NVD vulnerability detail provide official information about the vulnerability. Microsoft's advisory is referenced as a supplemental source.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-67624 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-67624

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-67624 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-67624

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

  • Microsoft SQL Server Information Disclosure Vulnerability

    Unverified legacy reference

    URL: https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/67xxx/CVE-2026-67624.json

    cve_program_cvelist_v5

  • Source reference

    Unverified legacy reference

    URL: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-67624

    Supplemental source - vendor-advisory, patch

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.