What’s Vulnerable › Vulnerabilities

CVE-2026-42822: Azure Local Disconnected Operations (ALDO) Elevation of Privilege Vulnerability

• Severity: critical (CVSS 10.0 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-05-18 · updated 2026-10-14
• Weakness: CWE-287

Description

Improper authentication in Azure Local Disconnected Operations allows an unauthorized attacker to elevate privileges over a network.

Affected products

• Microsoft Azure Local: before 2604.2.25645 — fixed in 2604.2.25645
• Microsoft Azure Resource Manager: all versions
• Microsoft Azure Local: from 1.0.0 before 2604.2.25645 — fixed in 2604.2.25645

How to fix

Upgrade to a fixed version: Microsoft Azure Local 2604.2.25645; Microsoft Azure Local 2604.2.25645. Check the vendor advisory for mitigations.

References

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-42822

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