CVE-2025-29809: Windows Kerberos Security Feature Bypass Vulnerability
Insecure storage of sensitive information in Windows Kerberos allows an authorized attacker to bypass a security feature locally.
Other sources
Windows Kerberos Security Feature Bypass Vulnerability
— Microsoft
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.22621.5189Patch KB5055528 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.26100.3775Patch KB5055523 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.22631.5189Patch KB5055528 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.19044.5737Patch KB5055518 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.19045.5737Patch KB5055518 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.20348.3453Patch KB5055526 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.17763.7136Patch KB5055519 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.10240.20978Patch KB5055547 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.14393.7969Patch KB5055521 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.25398.1551Patch KB5055527
Event History
Peer vulnerabilities
Found alongside the following vulnerabilities.
Frequently Asked Questions
What is the severity of CVE-2025-29809?
CVE-2025-29809 is considered a high-severity vulnerability due to its potential to allow unauthorized access to sensitive information.
How do I fix CVE-2025-29809?
To fix CVE-2025-29809, apply the latest patch provided by Microsoft for the affected Windows versions.
Which versions of Windows are affected by CVE-2025-29809?
CVE-2025-29809 affects multiple versions of Windows including Windows 10, Windows Server 2022, and Windows 11.
Can CVE-2025-29809 be exploited remotely?
CVE-2025-29809 requires local access for exploitation, making remote attacks less likely.
What impact does CVE-2025-29809 have on Windows systems?
The vulnerability allows authorized attackers to bypass security features, potentially exposing sensitive information.