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CVE-2026-42822

Microsoft Azure Local authentication bypass

10.0 CRITICALEPSS 0.90%
  1. Published18 May 2026

Description

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

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeChanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Affected products

Microsoft Azure Local< 2604.2.25645
Microsoft Azure Resource Managerall versions

Remediation

Fixed in
Microsoft Azure Local≥ 2604.2.25645

References

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Frequently asked

Is CVE-2026-42822 being actively exploited?

CVE-2026-42822 is not in the CISA KEV catalog. Its EPSS exploit probability is 0.90%.

How severe is CVE-2026-42822?

CVE-2026-42822 has a CVSS 3.1 base score of 10.0, rated critical. EPSS estimates a 0.90% probability of exploitation.

Which products are affected by CVE-2026-42822?

Affected products include Microsoft Azure Local, Microsoft Azure Resource Manager.

How do I fix CVE-2026-42822?

Upgrade affected software to a fixed version, for example Microsoft Azure Local 2604.2.25645 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2026-42822 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.