Critical

Elevation of Privilege in Azure Entra ID

IdentifiersCVE-2025-59246CWE-306· Missing Authentication for…

CVE-2025-59246 is a critical elevation-of-privilege vulnerability in Microsoft Azure Entra ID. Available reporting classifies the issue as CWE-306 (Missing Authentication for Critical Function), indicating that a critical Entra ID function may be reachable or executable without the authentication checks that should normally gate access. Publicly available sources describe the flaw at a high level as enabling bypass of intended access controls within the Azure Entra ID identity platform. As of the provided content, no public technical details were available regarding the exact vulnerable component, API endpoint, code path, or exploitation sequence.

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ANALYST BRIEF

Impact, mitigation & remediation

What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.

Impact

What an attacker gets, and what they’ve been doing with it.

Successful exploitation could allow an attacker to bypass intended authentication or access-control boundaries in Azure Entra ID and obtain elevated privileges within the affected identity environment. Because Entra ID is a central cloud identity and access-management service, privilege escalation could have broad downstream security consequences depending on the victim tenant’s role assignments and integrations. Public sources in the provided content do not specify the exact maximum privilege level attainable or whether cross-tenant impact is possible for this CVE.

Mitigation

If you can’t patch tonight, do this now.

No CVE-specific mitigation details were provided in the available content. Until Microsoft publishes more specific guidance, prudent defensive measures include minimizing privileged role assignments in Entra ID, enforcing strong conditional access and MFA for administrative accounts, monitoring Entra ID audit and sign-in logs for anomalous privilege changes or unauthorized access attempts, and reviewing exposure of legacy or less-used identity workflows that could interact with critical functions. These are general risk-reduction measures and not a documented vendor mitigation for this specific CVE.

Remediation

Patch, then assume compromise.

Apply Microsoft's security update or server-side remediation for CVE-2025-59246 as provided through Azure Entra ID servicing and associated Microsoft advisories. Because Azure Entra ID is a cloud service and no version-specific public guidance is included in the provided content, organizations should review the relevant Microsoft Security Response Center advisory, confirm whether any tenant-side actions are required, and validate that all related identity integrations and administrative workflows reflect Microsoft's latest security guidance.

PUBLIC EXPLOITS

Exploits

No public exploits tracked yet. Mallory keeps watching.

VALID 0 / 0 TOTALView more in app

No public exploit code observed for this vulnerability.

EXPOSURE SURFACE

Affected products & vendors

Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.

VendorProductType

Microsoft CorporationEntra Idapplication

Microsoft CorporationMicrosoft Entra Idapplication

Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.

ACTIVITY FEED

Recent activity

11 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.

11 SOURCESView more in app

hackreadNews

Oct 15, 2025

Microsoft Patch Tuesday Oct 2025 Fixs 175 Vulnerabilities including 3 Zero-Days

A critical Azure Entra ID elevation-of-privilege vulnerability caused by missing authentication for a critical function.

talos intelligence blogNews

Oct 14, 2025

Microsoft Patch Tuesday for October 2025 — Snort rules and prominent vulnerabilities

Privilege escalation vulnerabilities in Azure Entra ID, allowing attackers to elevate privileges and affect access control.

zeropath blogNews

Oct 9, 2025

Azure Entra ID CVE-2025-59246 Elevation of Privilege: Brief Summary and Technical Context - ZeroPath Blog | ZeroPath

A critical elevation of privilege vulnerability in Microsoft Azure Entra ID caused by missing authentication for a critical function, potentially allowing attackers to bypass access controls and escalate privileges.

What this page doesn’t show

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Exposure mapping

Query your assets running an affected version, and investigate the blast radius.

Threat actor evidence

Every observed campaign linking this CVE to a named adversary.

Associated malware

Malware families riding this exploit, with evidence and IOCs.

Detection signatures

YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.

Vendor-by-vendor mapping

Cross-references every affected SKU, including bundled OEM variants.

Social activity8

Community discussion across Reddit, Mastodon, and other social sources.

EXTERNAL REFERENCES

MITRE CVE

cve.org · CVE-2025-59246

NVD

nvd.nist.gov/vuln/detail/CVE-2025-59246

MITRE CWE · CWE-306

Missing Authentication for Critical Function

Vendor Advisory

msrc.microsoft.com/update-guide/vulnerability/CVE-2025-59246