CVE-2026-65770: Improper neutralization of argument delimiters in a command ('argument injection') in Azure Managed Instance f

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CRITICAL 10.0REMOTEWATCHLISTMITIGATE

CVE-2026-65770 is a critical-severity flaw (CVSS 10.0) affecting azure managed instance for apache cassandra. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

Critical severity
CISA SSVC: automatable with total technical impact
Remotely exploitable, no login, no user action
On your watchlist

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	10.0 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	1.1% (top 36%)
CISA exploited list	No
Weakness	CWE-88
Published	2026-08-20
Last modified	2026-10-18

Publisher (CNA): Microsoft Corporation · Vendor: microsoft

Last updated 2026-10-18 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-08-20 22:17 UTCPublished CVE record published
2026-10-18 20:10 UTCUpdated Record last modified

microsoft azure managed instance for apache cassandra MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy azure-managed-instance-for-apache-cassandra || rpm -q azure-managed-instance-for-apache-cassandra || azure-managed-instance-for-apache-cassandra --version

No fixed or unaffected release known

Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-65770?

azure managed instance for apache cassandra: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2026-65770 being exploited?

CVE-2026-65770 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-65770 affect?

CVE-2026-65770 affects azure managed instance for apache cassandra. Severity is critical (CVSS 10.0). 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.

How urgent is CVE-2026-65770?

Priority 64/100. Critical severity; CISA SSVC: automatable with total technical impact; Remotely exploitable, no login, no user action; On your watchlist

Software pages

Azure vulnerabilities · Apache Cassandra vulnerabilities

Related CVEs

CVE-2026-33109 CRITICAL 9.9 MITIGATE Improper access control in Azure Managed Instance for Apache Cassandra allows an authorized attacker to execut
CVE-2026-33844 CRITICAL 9.0 MITIGATE Improper access control in Azure Managed Instance for Apache Cassandra allows an authorized attacker to execut

References

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