# CVE-2026-67375

SQL Server stack buffer overflow allows authenticated network privilege escalation

- Page: https://www.vulneraibility.com/cve/CVE-2026-67375
- CVSS: 8.8
- Known exploited: not in CISA KEV as of our last sync
- EPSS: 0.86% (percentile 58.8)
- CISA SSVC: exploitation none, automatable no, technical impact total (assessed 2026-11-11)
- Weakness: CWE-121
- Published: 2026-11-10

## Affected versions

- Microsoft Microsoft SQL Server 2025 for x64-based Systems (GDR): affected >= 17.0.1050.2 and < 17.0.1155.3

A version outside these ranges is not a statement that it is unaffected.

## Impact

Authenticated network attacker can trigger a stack-based buffer overflow to elevate privileges on the SQL Server host.

## Action

Immediate action required

## Recommendation

Apply Microsoft's security update to affected SQL Server instances immediately.

## References

- [patch] https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-67375

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Summary, impact and action are written by the vulneraibility.com AI analysis pipeline from the CVE record, NVD, CISA and FIRST data; verify against the references.