Summary
Impact: Security Feature Bypass. Microsoft rating: Important. Not known to be exploited — Exploitation Less Likely. Customer action: Required.
Details
What kind of security feature could be bypassed by successfully exploiting this vulnerability?
When the group policy is being reapplied, Windows Kerberos Key Distribution Center (KDC) security policies are not fully enforced, which may temporarily disable required security policies.
According to the CVSS metrics, successful exploitation of this vulnerability could lead to some loss of confidentiality (C:L), and integrity (I:L) but lead to no loss of availability (A:N). What is the impact of this vulnerability?
An attacker who successfully exploited the vulnerability could view some sensitive information (Confidentiality), make changes to disclosed information (Integrity), but cannot limit access to the resource (Availability).
Security updates
10.0.17763.8511 — https://support.microsoft.com/help/5078752
10.0.19044.7058 — https://support.microsoft.com/help/5078885
10.0.14393.8957 — https://support.microsoft.com/help/5078938
6.2.9200.25973 — https://support.microsoft.com/help/5078775
6.3.9600.23074 — https://support.microsoft.com/help/5078774
Vulnerabilities 1
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Medium 6.5
Windows Kerberos Security Feature Bypass Vulnerability
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Kerberos allows an unauthorized attacker to bypass a security feature over a network.
Revision history
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#1
Information published.
References
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CVE-2026-24297 Windows Kerberos Security Feature Bypass Vulnerability - HTML
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-24297
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Microsoft Exploitability Index
https://www.microsoft.com/en-us/msrc/exploitability-index?rtc=1
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Microsoft Support Lifecycle
https://support.microsoft.com/lifecycle
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Common Vulnerability Scoring System
https://www.first.org/cvss