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Azure CVE-2026-24306

CRITICAL
Improper Access Control (CWE-284)
2026-01-22 secure@microsoft.com
Azure Azure Front Door
9.8
CVSS 3.1 · NVD
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Severity by source

NVD PRIMARY
9.8 CRITICAL
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

2
Analysis Generated
Mar 12, 2026 - 21:54 vuln.today
CVE Published
Jan 22, 2026 - 23:15 nvd
CRITICAL 9.8

DescriptionCVE.org

Improper access control in Azure Front Door (AFD) allows an unauthorized attacker to elevate privileges over a network.

AnalysisAI

Azure Front Door has an improper access control vulnerability (CVSS 9.8) allowing unauthorized attackers to elevate privileges through the CDN and WAF infrastructure.

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
Send unauthenticated network request to Azure Front Door
Exploit
Exploit improper access control in AFD configuration
Execution
Bypass authorization checks
Impact
Gain elevated privileges over target resource
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Vulnerability AssessmentAI

Exploitation No special conditions — remote unauthenticated exploitation against default Azure Front Door configurations with improper access control settings enabled. Additional conditions and limiting factors are described in the full assessment.
Risk Assessment CVSS 9.8 — Azure Front Door is a global CDN and WAF service. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario An attacker exploits the access control flaw to bypass Azure Front Door's WAF protections, directly accessing origin servers that were assumed to be protected, enabling attacks against backend applications.
Remediation Apply Microsoft patches. … Detailed patch versions, workarounds, and compensating controls in full report.
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Recommended ActionAI

Within 24 hours: Inventory all Azure Front Door instances and dependent services; enable enhanced monitoring and alerting for suspicious access patterns. …

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Threat intelligence, references, and detailed analysis are available after sign-in.

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CVE-2026-24306 vulnerability details – vuln.today
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