CVE-2026-33844
Azure Managed Instance for Apache Cassandra Remote Code Execution Vulnerability
Improper access control in Azure Managed Instance for Apache Cassandra allows an authorized attacker to execute code over a network.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Azure Managed Instance for Apache Cassandra Remote Code Execution Vulnerability
Improper access control in Azure Managed Instance for Apache Cassandra allows an authorized attacker to execute code over a network.
- Record
CVE-2026-33844- CVSS 3.1
- 9.0 Critical
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C - Weakness
- CWE-20
- Updated
- 2026-11-02
EUVDEUVD-2026-28451
Improper access control in Azure Managed Instance for Apache Cassandra allows an authorized attacker to execute code over a network.
- Record
EUVD-2026-28451- CVSS 3.1
- 9.0 Critical
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-v3vj-8337-2gq4
Improper input validation in Azure Managed Instance for Apache Cassandra allows an authorized...
Improper input validation in Azure Managed Instance for Apache Cassandra allows an authorized attacker to execute code over a network.
- Record
GHSA-v3vj-8337-2gq4- CVSS 3.1
- 9.0 Critical
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H - Weakness
- CWE-20
- Updated
- 2026-11-02
NVD
Improper access control in Azure Managed Instance for Apache Cassandra allows an authorized attacker to execute code over a network.
- Record
CVE-2026-33844- CVSS 3.1
- 9.0 Critical
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H - Weakness
- CWE-20
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-33844 is a critical vulnerability (CVSS 9.0) in Microsoft Azure Managed Instance For Apache Cassandra, published May 7, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.99%, the 62nd percentile. No source names a fixed version.