Vulnerability · Published May 7, 2026 · Assigned by microsoft
CVE-2026-33844Azure Managed Instance for Apache Cassandra Remote Code Execution Vulnerability
Critical 9.0
In plain English
A critical-severity improper input validation in Azure Managed Instance for Apache Cassandra from Microsoft. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.0% (higher than 63% of all known vulnerabilities).
Severity (CVSS 3.1)9.0Critical
Exploit odds (30 days)1.0%top 37.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Improper access control in Azure Managed Instance for Apache Cassandra allows an authorized attacker to execute code over a network.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Azure Managed Instance for Apache Cassandra | - |
Weakness: CWE-20 · Vector: 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
References
- Azure Managed Instance for Apache Cassandra Remote Code Execution Vulnerability vendor-advisory, patch