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CVE-2026-24304: Azure Cosmos DB Remote Code Execution Vulnerability

criticalCVSS 10CVE-2026-24304
Improper access control in Azure Cosmos DB allows an unauthorized attacker to execute code over a network.

CSIRTS triage

vendor: Microsoftproduct: Azure Cosmos DBRemote code execution
What
Improper access control allows an unauthorized attacker to execute code over a network.
Who is affected
Users of Azure Cosmos DB with improper access controls.
Urgency
Remediation is critical due to the high severity and potential for remote code execution.
Action
Review and correct access controls in Azure Cosmos DB.

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
critical — CVSS 10
Published
2026-07-14
Exploitation
Not in CISA KEV at last sync

Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-24304

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-2026-24304coverage & exploitation statusNVD · CVE.org

Recent advisories for Azure Cosmos DB

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