Unauthenticated privilege elevation via undisclosed authorization flaw
Published Jan 22, 2026 · Updated Jan 22, 2026
Improper authorization in Microsoft Entra ID allows remote attackers to elevate privileges and access sensitive tenant data over a network. Microsoft has not published the affected authorization locus or the wrong operation performed when processing an attacker-controlled request. No prior privileges or user interaction are required; the published impact covers sensitive-data access and limited data modification, not service interruption.
Summary
What happened
Improper authorization in Microsoft Entra ID allows remote attackers to elevate privileges and access sensitive tenant data over a network. Microsoft has not published the affected authorization locus or the wrong operation performed when processing an attacker-controlled request. No prior privileges or user interaction are required; the published impact covers sensitive-data access and limited data modification, not service interruption.
The record
- CVE
- CVE-2026-24305
- Published
- Jan 22, 2026
- Updated
- Jan 22, 2026
- Vendor
- Microsoft
- Product
- Microsoft Entra ID
- Classifications
- CWE-285
- Attack vector
- network
- Privileges
- unauthenticated
Timeline
How it unfolded
- Jan 22, 2026CVE publishedPublication date reported by the CVE source.
- Jan 22, 2026Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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What is affected?
Published CVSS scores
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Attacks
What attackers are doing with it
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Weakness, pattern, technique
Public exploit references
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Technologies
Your stack
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Your stack
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