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CVE-2026-55002: Microsoft SQL Server Elevation of Privilege Vulnerability

highCVSS 8.8CVE-2026-55002
External control of file name or path in SQL Server allows an authorized attacker to elevate privileges over a network.

CSIRTS triage

vendor: Microsoftproduct: Microsoft SQL ServerPrivilege escalation
What
External control of file name or path in SQL Server allows an authorized attacker to elevate privileges locally.
Who is affected
Authorized users of Microsoft SQL Server are affected.
Urgency
Remediation is urgent due to the high severity and potential for local privilege escalation.
Action
Apply the latest security patch to mitigate the vulnerability.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source
Microsoft Security Response Center (INTL · vendor-psirt · site)
Severity
high — CVSS 8.8
Published
2026-07-14
Exploitation
Not in CISA KEV at last sync

Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-55002

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2026-55002coverage & exploitation statusNVD · CVE.org

Same CVEs, other sources

How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.

Recent advisories for Microsoft SQL Server

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

More from Microsoft Security Response Center