CVE-2025-29809: Windows Kerberos Security Feature Bypass Vulnerability

Published Apr 8, 2025
·
Updated

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

43 affected componentsFixes available
Microsoft Windows 10=21H2
Microsoft Windows Server 2022, 23H2 Edition
Microsoft Windows 10=1809
Microsoft Windows Server 2025
Microsoft Windows 10=22H2
Microsoft Windows Server 2019
Microsoft Windows 10=21H2
Microsoft Windows 11=22H2
Microsoft Windows 11=24H2
Microsoft Windows 10=22H2
Microsoft Windows 11=24H2
Microsoft Windows 11=23H2
Microsoft Windows 11=22H2
Microsoft Windows 11=23H2
Microsoft Windows 10=1607
Microsoft Windows Server 2025
Microsoft Windows 10=1607
Microsoft Windows Server 2022
Microsoft Windows Server 2019
Microsoft Windows Server 2016
Microsoft Windows 10=22H2
Microsoft Windows Server 2016
Microsoft Windows 10=21H2
Microsoft Windows Server 2022
Microsoft Windows 10=1809
Microsoft Windows 10
Microsoft Windows 10
Microsoft Windows 10 1507<10.0.10240.20978
Microsoft Windows 10 1507<10.0.10240.20978
Microsoft Windows 10 1607<10.0.14393.7969
Microsoft Windows 10 1607<10.0.14393.7969
Microsoft Windows 10 1809<10.0.17763.7136
Microsoft Windows 10 1809<10.0.17763.7136
Microsoft Windows 10 21h2<10.0.19044.5737
Microsoft Windows 10 22h2<10.0.19045.5737
Microsoft Windows 11 22h2<10.0.22621.5189
Microsoft Windows 11 23h2<10.0.22631.5189
Microsoft Windows 11 24h2<10.0.26100.3775
Microsoft Windows Server 2016<10.0.14393.7969
Microsoft Windows Server 2019<10.0.17763.7136
Microsoft Windows Server 2022<10.0.20348.3453
Microsoft Windows Server 2022 23h2<10.0.25398.1551
Microsoft Windows Server 2025<10.0.26100.3775

Event History

Apr 8, 2025
CVE Published
via Microsoft·07:00 AM
Data Sourced
via Microsoft·07:00 AM
DescriptionSeverityWeakness
CVE Published
via MITRE·05:24 PM
Data Sourced
via MITRE·05:24 PM
DescriptionSeverity
Data Sourced
via NVD·06:16 PM
DescriptionSeverityWeaknessAffected Software
News Published
via The Register·11:43 PM
News Published
via The Register·11:47 PM
Apr 12, 2025
Known Exploited
11:50 PM
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Frequently Asked Questions

1

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.

2

How do I fix CVE-2025-29809?

To fix CVE-2025-29809, apply the latest patch provided by Microsoft for the affected Windows versions.

3

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.

4

Can CVE-2025-29809 be exploited remotely?

CVE-2025-29809 requires local access for exploitation, making remote attacks less likely.

5

What impact does CVE-2025-29809 have on Windows systems?

The vulnerability allows authorized attackers to bypass security features, potentially exposing sensitive information.

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