CVE-2026-67626
Microsoft SQL Server Denial of Service Vulnerability
MEDIUM
6.5
CVSS Score
Published: October 13, 2026 at 08:37 PM UTC
Updated: October 30, 2026 at 07:09 PM UTC
4 products affected across 1 vendorSQL Server 2022SQL Server 2025Microsoft SQL Server 2025 for X64-based Systems (cu9)
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Severity
MEDIUM6.5
Exploit prediction
EPSS 0.9%
SSVC
No known exploit
Description
Uncontrolled resource consumption in SQL Server allows an authorized attacker to deny service over a network.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (1)
Vendor AdvisoryPatch
Source: cverecord
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-67626SSVC — Action Prioritization
SSVCNo known exploitNot automatablePartial impact
SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.
CVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- NONE
- Availability
- HIGH
Vector?
Quick Info
StatusAWAITING ANALYSIS
CWE
CWE-400
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