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CVE-2026-94520

Microsoft SQL Server Denial of Service Vulnerability

MEDIUM
4.9
CVSS Score
Published: October 13, 2026 at 08:37 PM UTC
Updated: October 25, 2026 at 06:47 PM UTC
8 products affected across 1 vendorSQL Server 2019SQL Server 2022SQL Server 2017

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Severity
MEDIUM4.9
Exploit prediction
EPSS 0.8%
SSVC
No known exploit

Description

Use of externally-controlled format string in SQL Server allows an authorized attacker to deny service over a network.

Remediation

No guide yet

No 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-2026-94520

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

4.9MEDIUMmicrosoft
Vector?

Quick Info

StatusAWAITING ANALYSIS
CWE
CWE-134

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