CVE-2024-21340: Windows Kernel Information Disclosure Vulnerability

Published Feb 13, 2024
·
Updated

Windows Kernel Information Disclosure Vulnerability

Affected Software

52 affected componentsFixes available
Microsoft Windows 10 1507<10.0.10240.20469
Microsoft Windows 10 1607<10.0.14393.6709
Microsoft Windows 10 1809<10.0.17763.5458
Microsoft Windows 10 21h2<10.0.19044.4046
Microsoft Windows 10 22h2<10.0.19045.4046
Microsoft Windows 11 21h2<10.0.22000.2777
Microsoft Windows 11 22h2<10.0.22621.3155
Microsoft Windows 11 23h2<10.0.22631.3155
Microsoft Windows Server 2008=sp2
Microsoft Windows Server 2008=r2-sp1
Microsoft Windows Server 2012
Microsoft Windows Server 2012=r2
Microsoft Windows Server 2016<10.0.14393.6709
Microsoft Windows Server 2019<10.0.17763.5458
Microsoft Windows Server 2022<10.0.20348.2322
Microsoft Windows Server 2022 23h2<=10.0.25398.709
Microsoft Windows Server 2008<6.0.6003.22511
6.0.6003.22511
Microsoft Windows Server 2012 R2<6.3.9600.21813
6.3.9600.21813
Microsoft Windows Server 2008 R2<6.1.7601.26961
6.1.7601.26961
Microsoft Windows Server 2012 R2<6.3.9600.21813
6.3.9600.21813
Microsoft Windows Server 2012<6.2.9200.24710
6.2.9200.24710
Microsoft Windows Server 2008 R2<6.1.7601.26961
6.1.7601.26961
Microsoft Windows 10=1607
10.0.14393.6709
Microsoft Windows Server 2008<6.0.6003.22511
6.0.6003.22511
Microsoft Windows Server 2012<6.2.9200.24710
6.2.9200.24710
Microsoft Windows Server 2008<6.0.6003.22511
6.0.6003.22511
Microsoft Windows 10<10.0.10240.20469
10.0.10240.20469
Microsoft Windows Server 2016<10.0.14393.6709
10.0.14393.6709
Microsoft Windows Server 2008<6.0.6003.22511
6.0.6003.22511
Microsoft Windows Server 2016<10.0.14393.6709
10.0.14393.6709
Microsoft Windows 11=23H2
10.0.22631.3155
Microsoft Windows Server 2022, 23H2 Edition<10.0.25398.709
10.0.25398.709
Microsoft Windows 10=22H2
10.0.19045.4046
Microsoft Windows 10<10.0.10240.20469
10.0.10240.20469
Microsoft Windows 10=1607
10.0.14393.6709
Microsoft Windows 11=23H2
10.0.22631.3155
Microsoft Windows 10=22H2
10.0.19045.4046
Microsoft Windows 11=22H2
10.0.22621.3155
Microsoft Windows 10=21H2
10.0.19044.4046
Microsoft Windows 11=22H2
10.0.22621.3155
Microsoft Windows 10=21H2
10.0.19044.4046
Microsoft Windows 10=21H2
10.0.19044.4046
Microsoft Windows 10=22H2
10.0.19045.4046
Microsoft Windows Server 2022<10.0.20348.2322
10.0.20348.2322
Microsoft Windows 11=21H2
10.0.22000.2777
Microsoft Windows Server 2019<10.0.17763.5458
10.0.17763.5458
Microsoft Windows 11=21H2
10.0.22000.2777
Microsoft Windows 10=1809
10.0.17763.5458
Microsoft Windows 10=1809
10.0.17763.5458
Microsoft Windows 10=1809
10.0.17763.5458
Microsoft Windows Server 2022<10.0.20348.2322
10.0.20348.2322
Microsoft Windows Server 2019<10.0.17763.5458
10.0.17763.5458

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 6.3.9600.21813Patch KB5034819
  2. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 6.0.6003.22511Patch KB5034833
  3. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 6.1.7601.26961Patch KB5034809
  4. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 6.2.9200.24710Patch KB5034830
  5. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 10.0.14393.6709Patch KB5034767
  6. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 10.0.10240.20469Patch KB5034774
  7. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 10.0.22631.3155Patch KB5034765
  8. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 10.0.25398.709Patch KB5034769
  9. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 10.0.19045.4046Patch KB5034763
  10. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 10.0.22621.3155Patch KB5034765
  11. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 10.0.19044.4046Patch KB5034763
  12. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 10.0.22000.2777Patch KB5034766
  13. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 10.0.17763.5458Patch KB5034768
  14. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 10.0.20348.2322Patch KB5034770

Event History

Feb 13, 2024
CVE Published
via Microsoft·08:00 AM
Data Sourced
via Microsoft·08:00 AM
DescriptionSeverityWeakness
Data Sourced
via Microsoft·08:00 AM
Affected Software
Updated
via Microsoft·08:00 AM
Affected Software
Updated
via Microsoft·08:00 AM
Description
CVE Published
via MITRE·06:02 PM
Data Sourced
via MITRE·06:02 PM
DescriptionSeverity
Data Sourced
via NVD·06:15 PM
RemedyDescriptionSeverityWeaknessAffected Software

Frequently Asked Questions

1

What is the severity of CVE-2024-21340?

The severity of CVE-2024-21340 has not been explicitly designated, but it is categorized as an information disclosure vulnerability.

2

How do I fix CVE-2024-21340?

To fix CVE-2024-21340, apply the relevant security updates provided by Microsoft for your affected Windows version.

3

Which versions of Windows are affected by CVE-2024-21340?

CVE-2024-21340 affects various versions of Windows including Windows 10, Windows Server 2016, Windows Server 2019, and Windows 11.

4

What type of vulnerability is CVE-2024-21340?

CVE-2024-21340 is classified as an information disclosure vulnerability in the Windows Kernel.

5

Can CVE-2024-21340 be exploited remotely?

CVE-2024-21340 is not typically classified as a remote exploit; it requires local access to the affected system.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203