What’s Vulnerable › Vulnerabilities

CVE-2026-69857: Azure Cosmos DB Spoofing Vulnerability

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-09-03 · updated 2026-10-31
• Weakness: CWE-639

Description

Authorization bypass through user-controlled key in Azure Cosmos DB allows an authorized attacker to perform spoofing over a network.

Affected products

• Microsoft Azure Cosmos DB: all versions
• Microsoft Azure Cosmos DB: all versions

References

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69857

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