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CVE-2026-67369 Microsoft CVE debrief

An out-of-bounds read vulnerability in Microsoft SQL Server 2025 allows an authorized attacker to disclose information over a network. The vulnerability has a CVSS score of 6.5 and is considered medium severity. Microsoft has released a patch for this vulnerability. Defenders responsible for SQL Server 2025 instances, especially those exposed to the network, should prioritize patching and monitoring for potential information disclosure attempts. The vulnerability is described as an out-of-bounds read in SQL Server, allowing an authorized attacker to disclose information over a network. The CVE record and NVD entry provide details on the vulnerability, but do not specify which The

Vendor
Microsoft
Product
Microsoft SQL Server 2025 (CU8)
CVSS
MEDIUM 6.5
CISA KEV
Not listed in stored evidence
Original CVE published
2026-09-08
Original CVE updated
2026-09-16
Advisory published
2026-09-08
Advisory updated
2026-09-16

Who should care

Defenders responsible for SQL Server 2025 instances, especially those exposed to the network, should prioritize patching and monitoring for potential information disclosure attempts.

Why it matters

Defenders should prioritize patching vulnerable SQL Server 2025 instances and monitoring for potential information disclosure attempts due to the medium severity out-of-bounds read vulnerability.

  • Patching vulnerable SQL Server 2025 instances to prevent information disclosure
  • Monitoring for potential information disclosure attempts to detect possible exploitation
  • Verifying inventory of SQL Server 2025 instances to ensure all instances are accounted for

Technical summary

The vulnerability is an out-of-bounds read in SQL Server 2025, allowing an authorized attacker to disclose information over a network. The CVSS score is 6.5, and the severity is medium. Microsoft has released a patch for this vulnerability. The vulnerability affects SQL Server 2025 instances, especially those exposed to the network. Defenders should prioritize patching vulnerable SQL Server 2025 instances and monitoring for potential information disclosure attempts. The CVE record and NVD entry provide details on the vulnerability.

Defensive priority

Defenders should prioritize patching vulnerable SQL Server 2025 instances, especially those exposed to the network. They should also monitor for potential information disclosure attempts.

Recommended defensive actions

  • Patch vulnerable SQL Server 2025 instances
  • Monitor for potential information disclosure attempts
  • Verify inventory of SQL Server 2025 instances

Evidence notes

The vulnerability is described as an out-of-bounds read in SQL Server, allowing an authorized attacker to disclose information over a network. The CVE record and NVD entry provide details on the vulnerability, but do not specify which versions are affected or provide information on exploitation.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-67369 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-67369

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

  • CVE-2026-67369 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-67369

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

Supplemental references

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.