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TI-2025-19564 Aliases CVE-2025-26627GHSA-pg34-362q-29pw

Azure Arc Installer Elevation of Privilege Vulnerability

Priority LOW 35CWE-77Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
High
Impact type
Privilege escalation
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from Microsoft.

Summary

Improper neutralization of special elements used in a command ('command injection') in Azure Arc allows an authorized attacker to elevate privileges locally.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00897 59th percentileScored 2026-11-07
Fix Fixed Azure ARC (Microsoft): 1.0.10

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
MicrosoftAzure ARC1.0.0 to before 1.0.101.0.10Patch availableCNA
  • Azure ARC VendorMicrosoft Affected 1.0.0 to before 1.0.10 Fixed in 1.0.10 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:microsoft:azure_arc:*:*:*:*:*:*:*:*before 1.0.10VulnerableMicrosoft
  • cpe:2.3:a:microsoft:azure_arc:*:*:*:*:*:*:*:* Versions before 1.0.10 Vulnerable ·Microsoft

Remediation

  • Fix · CNA Azure ARC (Microsoft) Fixed in 1.0.10

Vendor assessments

Microsoft

Microsoft's page for this CVE →

Impact
Elevation of Privilege
Exploited
No
Publicly disclosed
No
Exploitability
Exploitation Less Likely
ProductStatusPlan or fix
Azure ARCFixed 1.0.10 · Security Update

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-26627
  2. 2026-10-03 Alias added: GHSA-pg34-362q-29pw

References

Patch 1

  • TI-2026-19586 Azure Arc Elevation of Privilege Vulnerability CVSS 3.1CRITICAL 9.8
  • TI-2026-49108 Azure Arc Elevation of Privilege Vulnerability CVSS 3.1CRITICAL 9.8
  • TI-2026-48866 Azure Arc Elevation of Privilege Vulnerability CVSS 3.1CRITICAL 10.0
  • TI-2026-48728 Azure Arc Elevation of Privilege Vulnerability CVSS 3.1CRITICAL 9.9
  • TI-2022-17725 Azure Guest Configuration and Azure Arc-enabled servers Elevation of Privilege Vulnerability CVSS 3.1HIGH 7.8

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences