CVE-2026-33109

Name: CVE-2026-33109
Creator: NVD / NIST
Published: 2026-05-07T22:16:34.03+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.9/10EPSS 0.71%

Last modified Jun 17, 2026

CVE-2026-33109 is a critical-severity vulnerability rated 9.9/10 on the CVSS scale. Improper access control in Azure Managed Instance for Apache Cassandra allows an authorized attacker to execute code over a network.. EPSS estimates a 0.71% chance of exploitation in the next 30 days.

Description

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

Metrics

CVSS 3.1

9.9/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

EPSS Probability

0.71%

48.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-284

Affected Software

Vendor	Product	Versions
Microsoft	Azure Managed Instance For Apache Cassandra	All versions

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-33109Vendor Advisory

Timeline

Published: May 7, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2026-33109?

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

How severe is CVE-2026-33109?

CVE-2026-33109 has a CVSS score of 9.9/10 (CRITICAL severity). The EPSS model estimates a 0.71% probability of exploitation in the next 30 days.

How do I fix CVE-2026-33109?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-33109?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST