CVE-2026-65770 CRITICAL

CVE-2026-65770: Azure Managed Instance for Apache Cassandra Remote Code Execution Vulnerability

Vendor Microsoft

Product Azure Managed Instance for Apache Cassandra

Weakness CWE-88

Published August 20, 2026

Last update August 22, 2026

View on NVD All CVEs

CVSS base score

10.0/10

Attack vector Network

Attack complexity Low

Privileges required None

User interaction None

Confidentiality High

Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C

What the vulnerability does

01Description

Improper neutralization of argument delimiters in a command ('argument injection') in Azure Managed Instance for Apache Cassandra allows an unauthorized attacker to execute code over a network.

Key dates

02Disclosure timeline

August 20, 2026 CVE published

August 22, 2026 Record updated

External resources

03References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2026-65770 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/88.html AskarLabs — CWE-88 write-up Argument Injection

Related vulnerabilities

Identifiers

CVE CVE-2026-65770

CWE CWE-88

CVSS 10.0 / CRITICAL

Affected versions