Summary
Impact: Elevation of Privilege. Microsoft rating: Moderate. Not known to be exploited, publicly disclosed before the fix — Exploitation Less Likely. Customer action: Required.
Details
According to the CVSS metric, privileges required is high (PR:H). What does that mean for this vulnerability?
To successfully exploit this vulnerability, an attacker would need to have elevated access to certain attributes of the dMSA, specifically:
msds-groupMSAMembership: This attribute allows the user to utilize the dMSA., msds-ManagedAccountPrecededByLink: The attacker needs write access to this attribute, which allows them to specify a user that the dMSA can act on behalf of.
What privileges could be gained by an attacker who successfully exploited the vulnerability?
An attacker who successfully exploited this vulnerability could gain domain administrator privileges.
Security updates
10.0.26100.4946 — https://support.microsoft.com/help/5063878
10.0.26100.4851 — https://support.microsoft.com/help/5064010
Vulnerabilities 1
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High 7.2CVE-2025-53779 Public exploit
Windows Kerberos Elevation of Privilege Vulnerability
Relative path traversal in Windows Kerberos allows an authorized attacker to elevate privileges over a network.
Revision history
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#1
Information published.
References
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CVE-2025-53779 Windows Kerberos Elevation of Privilege Vulnerability - HTML
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-53779
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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