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Azure Managed Instance for Apache Cassandra CVE-2026-33844

| EUVD-2026-28451 CRITICAL
Improper Input Validation (CWE-20)
2026-05-07 microsoft GHSA-v3vj-8337-2gq4
9.0
CVSS 3.1
Temporal: 7.8
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CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
Required
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

2
Analysis Generated
May 07, 2026 - 22:02 vuln.today
CVE Published
May 07, 2026 - 20:58 nvd
CRITICAL 9.0

DescriptionNVD

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

AnalysisAI

Remote code execution in Azure Managed Instance for Apache Cassandra allows authenticated attackers with low privileges to execute arbitrary code when a user interacts with a malicious payload. CVSS 9.0 (Critical) with scope change indicates container/tenant escape potential. …

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RemediationAI

Within 24 hours: inventory all Azure Managed Instance for Apache Cassandra deployments and identify current patch levels via Azure portal. Within 7 days: apply Microsoft's latest MSRC security update to all affected instances following the vendor's deployment guidance; test in non-production environments first. …

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CVE-2026-33844 vulnerability details – vuln.today

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