High severity · published Oct 13, 2026
CVE-2026-100207
Azure CycleCloud Remote Code Execution Vulnerability
7.3
CVSS
0.4%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 38% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AC
Azure CycleCloud 8.9.1 · Microsoft
1.0.0 before 8.9.2 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-100207
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-100207
vendor-advisory
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-100207
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