CVE-2026-100207
Azure CycleCloud Remote Code Execution Vulnerability
Microsoft Azure CycleCloud 8.9.1Containers & cloud
CVSS
7.3HighExploitationNo known exploitationNot in CISA KEV, which does not prove it is unexploitedCISA KEV
Exploit odds (EPSS)0.42%Chance of exploitation activity in the next 30 days, higher than 34% of CVEs. Scored 23 Oct 2026FIRST EPSS
What fixes it
- 8.9.2Azure CycleCloud 8.9.1CVE List
A fixed version on one release line is not the upgrade target for every line. Check your exact version and any vendor backports.
Vendor and government advisories 1
Vendors that say their products are affected, and agencies that issued alerts. Check each for the fixed release of the product you run.
Reports 1
1 outlet mention it. Reports are not confirmation; each links to its source.
Description
Improper neutralization of special elements used in an os command ('os command injection') in Azure CycleCloud allows an authorized attacker to execute code locally.
Text from CVE List
Affected versions 1
- Azure CycleCloud 8.9.1affected: 1.0.0 before 8.9.2CVE List