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CVE Record

CVE-2026-24304: Azure Resource Manager Elevation of Privilege Vulnerability

Improper access control in Azure Resource Manager allows an authorized attacker to elevate privileges over a network.

CriticalCVSS 9.9Not KEV-listedUpdated
Glexia's TakeAutomated analysiscritical

Security readout for executives and security teams

Plain-English summary

A flaw in Azure Resource Manager could let a user who already has authorized access gain greater privileges remotely. Successful abuse could expose or alter sensitive cloud resources and disrupt services across a security boundary. The source bundle does not identify specific affected versions or tenant configurations.

Executive priority

Treat this as an immediate cloud-security priority because successful abuse could compromise confidentiality, integrity, and availability across a changed security scope. Rapidly confirm Microsoft guidance, identify authorized identities at risk, and validate access controls. Do not claim compromise without supporting audit evidence.

Technical view

CVE-2026-24304 is an improper access-control vulnerability, classified as CWE-284. Its CVSS 3.1 score is 9.9, with network access, low complexity, low privileges, no user interaction, changed scope, and high confidentiality, integrity, and availability impact.

Likely exposure

Organizations using Azure Resource Manager may be exposed where authorized identities can reach the vulnerable functionality. The available evidence does not specify affected versions, configurations, roles, subscriptions, or whether Microsoft has fully remediated the managed service.

Exploitation context

The attacker must already possess authorized, low-privilege access. The vulnerability is remotely exploitable according to its CVSS vector. It is not listed as a CISA KEV in the supplied bundle, and no cited source establishes active exploitation or public exploit availability.

Researcher notes

The strongest evidence is the 9.9 CVSS vector and CWE-284 classification. Affected-version data is recorded only as "-", limiting precise exposure assessment. Exploit maturity is unproven, and the bundle provides no technical root cause, indicators of compromise, detection signature, or detailed fix information.

Mitigation direction

  • Review the Microsoft advisory and implement every stated remediation or configuration change.
  • Remove unnecessary Azure permissions and restrict privileged access to required identities.
  • Review sensitive role assignments and access-control changes for unexpected privilege expansion.
  • Check Microsoft guidance regularly because the supplied bundle lacks detailed remediation instructions.

Validation and detection

  • Confirm all Microsoft-recommended remediation actions are applied to relevant Azure environments.
  • Inventory identities authorized to access Azure Resource Manager and verify least-privilege assignments.
  • Review audit records for unexpected role, policy, subscription, or resource-control changes.
  • Document affected configurations and exceptions; the supplied sources provide no version-based detection criteria.
Prepared
Confidence
medium
Sources
3

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.

ATT&CK lookup starting points

Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.

cwe · medium confidence lookup

CWE-284: Authorization and privilege behavior lookup

Authorization weaknesses can support privilege escalation and valid-account review, depending on exploit path. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.

Open ATT&CK lookup
description · low confidence lookup

Privilege behavior lookup

The CVE wording references privilege impact, so privilege escalation and authorization behavior review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.

Open ATT&CK lookup
cve · low confidence lookup

CVE-2026-24304 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

Open ATT&CK lookup
Vulnerability profileCVE Program record
Severity
Critical
CVSS
9.9 (3.1)
Known Exploited
No
Published

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

1CVSS vectors
3Timeline events
1ADP providers
2Source links

SSVC decision data

CISA-ADPCISA Coordinator
Timestamp
Version
2.0.3
Exploitation: noneAutomatable: noTechnical Impact: total

CVSS vector scores

1 official score

We collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.

ScoreVersionSeverityVectorExploitImpactSource
9.9CVSS 3.1CriticalCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C3.16microsoft

Vulnerability scoring details

Base CVSS 3.1 score

9.9Critical
CVSS 3.1 vector shape for CVE-2026-24304Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Privileges Required
NoneLowHigh
User Interaction
NoneRequired
Scope
ChangedUnchanged
Confidentiality Impact
HighLowNone
Integrity Impact
HighLowNone
Availability Impact
HighLowNone

Vulnerability timeline

Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.

  1. CVE reservedCVE Program

    The CVE ID was reserved by the assigning CNA.

  2. CVE publishedCVE Program

    The CVE record was published.

  3. CVE updatedCVE Program

    The CVE record metadata indicates this as the latest update time.

ADP provider summaries

CISA-ADPCISA ADP Vulnrichment
other:ssvc

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
MicrosoftAzure Resource Manager-Listed
Weakness

CWE details

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.

CWE-284 · source CWE mapping

Improper Access Control

Improper Access Control represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.