What’s Vulnerable › Vulnerabilities

CVE-2026-33844: Azure Managed Instance for Apache Cassandra Remote Code Execution Vulnerability

• Severity: critical (CVSS 9.0 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.0% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-05-07 · updated 2026-10-26
• Weakness: CWE-20

Description

Improper access control in Azure Managed Instance for Apache Cassandra allows an authorized attacker to execute code over a network.

Affected products

• Microsoft Azure Managed Instance for Apache Cassandra: all versions
• Microsoft Azure Managed Instance for Apache Cassandra: all versions

References

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-33844

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