Authenticated cross-boundary privilege escalation
Published Apr 23, 2026 · Updated Apr 23, 2026
Improper access control in Microsoft Partner Center allows remote authenticated users to elevate privileges over a network. Microsoft has not disclosed the affected authorization locus or the incorrect access-control decision applied to a request. Exploitation requires an existing low-privilege account and crosses a security boundary, allowing protected data to be read or modified without interrupting the service.
Summary
What happened
Improper access control in Microsoft Partner Center allows remote authenticated users to elevate privileges over a network. Microsoft has not disclosed the affected authorization locus or the incorrect access-control decision applied to a request. Exploitation requires an existing low-privilege account and crosses a security boundary, allowing protected data to be read or modified without interrupting the service.
The record
- CVE
- CVE-2026-24303
- Published
- Apr 23, 2026
- Updated
- Apr 23, 2026
- Vendor
- Microsoft
- Product
- Microsoft Partner Center
- Classifications
- CWE-284
- Attack vector
- network
- Privileges
- authenticated
Timeline
How it unfolded
- Apr 23, 2026CVE publishedPublication date reported by the CVE source.
- Apr 23, 2026Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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What conditions does exploitation require?
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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