CVE-2025-55316
published 2025-09-09CVE-2025-55316: External control of file name or path in Azure Arc allows an authorized attacker to elevate privileges locally.
PriorityP344high7.8CVSS 3.1
AVLACLPRLUINSUCHIHAH
EPSS
0.33%
25.3th percentile
External control of file name or path in Azure Arc allows an authorized attacker to elevate privileges locally.
Affected
3 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| microsoft | azure_connected_machine_agent | < 1.56 | 1.56 |
| microsoft | azure_connected_machine_agent | >= 1.0.0 < 1.56 | 1.56 |
| msrc | azure_connected_machine_agent | — | — |
CVSS provenance
nvdv3.17.8HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
vendor_msrc7.8HIGH
Stop checking back — get the weekly exploitation signal.
Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.
GHSA
GHSA-cxfc-2cj3-gw3w: External control of file name or path in Azure Arc allows an authorized attacker to elevate privileges locally
ghsa_unreviewed·2025-09-09
CVE-2025-55316 [HIGH] CWE-73 GHSA-cxfc-2cj3-gw3w: External control of file name or path in Azure Arc allows an authorized attacker to elevate privileges locally
External control of file name or path in Azure Arc allows an authorized attacker to elevate privileges locally.
Microsoft
Azure Connected Machine Agent Elevation of Privilege Vulnerability
vendor_msrc·2025-09-09·CVSS 7.8
CVE-2025-55316 [HIGH] CWE-73 Azure Connected Machine Agent Elevation of Privilege Vulnerability
Azure Connected Machine Agent Elevation of Privilege Vulnerability
Description: External control of file name or path in Azure Arc allows an authorized attacker to elevate privileges locally.
FAQ: **What privileges could be gained by an attacker who successfully exploited this vulnerability? **
An attacker can deploy VM Extensions on compromised Servers
Azure Connected Machine Agent: Azure Connected Machine Agent
Microsoft: Microsoft
Customer Action Required: Yes
Impact: Elevation of Privilege
Exploit Status: Publicly Disclosed:No;Exploited:No;Latest Software Release:Exploitation Unlikely
Remediation: Release Notes
Reference: https://gbl.his.arc.azure.com/azcmagent/1.56/AzureConnectedMachineAgent.msi
Reference: https://learn.microsoft.com/en-us/azure/azure-arc/servers/agent-relea
No detection rules found.
No public exploits indexed.
2025-09-09
Published