CVE-2026-33844: CWE-20: Improper Input Validation in Microsoft Azure Managed Instance for Apache Cassandra
Improper access control in Azure Managed Instance for Apache Cassandra allows an authorized attacker to execute code over a network.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-33844) in Azure Managed Instance for Apache Cassandra is due to improper input validation leading to improper access control. It enables an attacker with authorized access to execute code remotely over the network, potentially compromising confidentiality, integrity, and availability of the service. The vulnerability is classified under CWE-20 (Improper Input Validation). Microsoft has published an official fix and manages remediation for this cloud-hosted service.
Potential Impact
Successful exploitation allows an authorized attacker to execute arbitrary code remotely, resulting in full compromise of confidentiality, integrity, and availability of the affected Azure Managed Instance for Apache Cassandra service.
Mitigation Recommendations
Microsoft has released an official fix for this vulnerability. As this is a cloud-hosted service, Microsoft manages the remediation server-side. Users should verify the application of the fix via the Microsoft Security Response Center advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-33844 and follow any additional vendor guidance.
CVE-2026-33844: CWE-20: Improper Input Validation in Microsoft Azure Managed Instance for Apache Cassandra
Description
Improper access control in Azure Managed Instance for Apache Cassandra allows an authorized attacker to execute code over a network.
CVSS v3.1
Score 9.0critical
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-33844) in Azure Managed Instance for Apache Cassandra is due to improper input validation leading to improper access control. It enables an attacker with authorized access to execute code remotely over the network, potentially compromising confidentiality, integrity, and availability of the service. The vulnerability is classified under CWE-20 (Improper Input Validation). Microsoft has published an official fix and manages remediation for this cloud-hosted service.
Potential Impact
Successful exploitation allows an authorized attacker to execute arbitrary code remotely, resulting in full compromise of confidentiality, integrity, and availability of the affected Azure Managed Instance for Apache Cassandra service.
Mitigation Recommendations
Microsoft has released an official fix for this vulnerability. As this is a cloud-hosted service, Microsoft manages the remediation server-side. Users should verify the application of the fix via the Microsoft Security Response Center advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-33844 and follow any additional vendor guidance.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-03-24T00:52:01.354Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Is Cloud Service
- true
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-33844","vendor":"Microsoft"}]
Threat ID: 69fd029bcbff5d8610389b84
Added to database: 05/07/2026, 21:22:35 UTC
Last enriched: 06/21/2026, 09:18:03 UTC
Last updated: 07/01/2026, 01:37:00 UTC
Views: 147
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