What is CVE-2026-33844?

CVE-2026-33844 is a critical-severity vulnerability in Microsoft Azure Managed Instance For Apache Cassandra, classified under Improper Input Validation. CVSS score: 9.0/10. Published 2026-05-07.

How severe is CVE-2026-33844?

Critical severity. CVSS v3 base score is 9.0 out of 10.

Improper input validation in Microsoft Azure Managed Instance For Apache Cassandra

CVE-2026-33844

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

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.001 (20.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.0 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H.

Affected products

Microsoft Azure Managed Instance For Apache Cassandra
Microsoft Azure_managed_instance_for_apache_cassandra

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

secure@microsoft.com (vendor-advisory, patch, Vendor Advisory)

Frequently asked questions

What is CVE-2026-33844?: CVE-2026-33844 is a critical-severity vulnerability in Microsoft Azure Managed Instance For Apache Cassandra, classified under Improper Input Validation. CVSS score: 9.0/10. Published 2026-05-07.
How severe is CVE-2026-33844?: Critical severity. CVSS v3 base score is 9.0 out of 10.