Unauthenticated security bypass via Kerberos race condition
Published Mar 10, 2026 · Updated Mar 10, 2026
A race condition in Windows Kerberos on affected Windows 10 and Windows Server releases allows remote attackers to bypass security controls. Microsoft identifies improper synchronization of a shared resource during concurrent Kerberos execution but has not disclosed the affected function, protocol exchange, or attacker-controlled input. No authentication or user interaction is required, and exploitation permits limited unauthorized disclosure and modification without affecting availability.
Summary
What happened
A race condition in Windows Kerberos on affected Windows 10 and Windows Server releases allows remote attackers to bypass security controls. Microsoft identifies improper synchronization of a shared resource during concurrent Kerberos execution but has not disclosed the affected function, protocol exchange, or attacker-controlled input. No authentication or user interaction is required, and exploitation permits limited unauthorized disclosure and modification without affecting availability.
The record
- CVE
- CVE-2026-24297
- Published
- Mar 10, 2026
- Updated
- Mar 10, 2026
- Vendor
- Microsoft
- Product
- Windows Server 2019
- Classifications
- CWE-362
- Attack vector
- network
- Privileges
- unauthenticated
Timeline
How it unfolded
- Mar 10, 2026CVE publishedPublication date reported by the CVE source.
- Mar 10, 2026Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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Is a vulnerable build present?
Compare these published version ranges with your installed build and any vendor patches.
- Affected versionversion=10.0.17763.0 <10.0.17763.8511
What conditions does exploitation require?
What is affected?
Attacks
What attackers are doing with it
Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.
Weakness, pattern, technique
Public exploit references
No public exploit references are available in this record.
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Technologies
Your stack
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Your stack
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