CVE-2024-30088: Microsoft Windows Kernel TOCTOU Race Condition Vulnerability

Published Jun 11, 2024
·
Updated

Microsoft Windows Kernel contains a time-of-check to time-of-use (TOCTOU) race condition vulnerability that could allow for privilege escalation.

Other sources

Windows Kernel Elevation of Privilege Vulnerability

Microsoft

Affected Software

66 affected componentsFixes available
Microsoft Windows Server 2022, 23H2 Edition
Microsoft Windows Server 2019
Microsoft Windows Server 2019
Microsoft Windows 11=22H2
Microsoft Windows 11=22H2
Microsoft Windows 11=21H2
Microsoft Windows 11=21H2
Microsoft Windows 11=23H2
Microsoft Windows 11=23H2
Microsoft Windows Server 2022
Microsoft Windows Server 2022
Microsoft Windows Server 2016
Microsoft Windows Server 2016
Microsoft Windows 10=1809
Microsoft Windows 10=1809
Microsoft Windows 10=1809
Microsoft Windows 10=22H2
Microsoft Windows 10=22H2
Microsoft Windows 10=22H2
Microsoft Windows 10=1607
Microsoft Windows 10=1607
Microsoft Windows 10=21H2
Microsoft Windows 10=21H2
Microsoft Windows 10=21H2
Microsoft Windows 10
Microsoft Windows 10
Microsoft Windows 10 1507<10.0.10240.20680
Microsoft Windows 10 1607<10.0.14393.7070
Microsoft Windows 10 1607<10.0.14393.7070
Microsoft Windows 10 1809<10.0.17763.5936
Microsoft Windows 10 21h2<10.0.19044.4529
Microsoft Windows 10 22h2<10.0.19045.4529
Microsoft Windows 11 21h2<10.0.22000.3019
Microsoft Windows 11 22h2<10.0.22621.3737
Microsoft Windows 11 23h2<10.0.22631.3737
Microsoft Windows Server 2016<10.0.14393.7070
Microsoft Windows Server 2019<10.0.17763.5936
Microsoft Windows Server 2022<10.0.20348.2522
Microsoft Windows Server 2022 23h2<10.0.25398.950
Microsoft Windows
Microsoft Windows 10=1607
10.0.14393.7070
Microsoft Windows 10<10.0.10240.20680
10.0.10240.20680
Microsoft Windows 10=1607
10.0.14393.7070
Microsoft Windows Server 2016<10.0.14393.7070
10.0.14393.7070
Microsoft Windows Server 2016<10.0.14393.7070
10.0.14393.7070
Microsoft Windows 10=22H2
10.0.19045.4529
Microsoft Windows 10<10.0.10240.20680
10.0.10240.20680
Microsoft Windows 11=23H2
10.0.22631.3737
Microsoft Windows 11=23H2
10.0.22631.3737
Microsoft Windows Server 2022, 23H2 Edition<10.0.25398.950
10.0.25398.950
Microsoft Windows 10=22H2
10.0.19045.4529
Microsoft Windows 10=22H2
10.0.19045.4529
Microsoft Windows 11=21H2
10.0.22000.3019
Microsoft Windows 11=22H2
10.0.22621.3737
Microsoft Windows 11=22H2
10.0.22621.3737
Microsoft Windows 10=21H2
10.0.19044.4529
Microsoft Windows 11=21H2
10.0.22000.3019
Microsoft Windows 10=21H2
10.0.19044.4529
Microsoft Windows 10=21H2
10.0.19044.4529
Microsoft Windows Server 2022<10.0.20348.2527, <10.0.20348.2522
10.0.20348.252710.0.20348.2522
Microsoft Windows Server 2022<10.0.20348.2527, <10.0.20348.2522
10.0.20348.252710.0.20348.2522
Microsoft Windows Server 2019<10.0.17763.5936
10.0.17763.5936
Microsoft Windows 10=1809
10.0.17763.5936
Microsoft Windows Server 2019<10.0.17763.5936
10.0.17763.5936
Microsoft Windows 10=1809
10.0.17763.5936
Microsoft Windows 10=1809
10.0.17763.5936

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 10.0.14393.7070Patch KB5039214
  2. Upgrade

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

    Fixed in 10.0.10240.20680Patch KB5039225
  3. Upgrade

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

    Fixed in 10.0.22631.3737Patch KB5039212
  4. Upgrade

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

    Fixed in 10.0.19045.4529Patch KB5039211
  5. Upgrade

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

    Fixed in 10.0.25398.950Patch KB5039236
  6. Upgrade

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

    Fixed in 10.0.22000.3019Patch KB5039213
  7. Upgrade

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

    Fixed in 10.0.22621.3737Patch KB5039212
  8. Upgrade

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

    Fixed in 10.0.19044.4529Patch KB5039211
  9. Upgrade

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

    Fixed in 10.0.20348.2527Fixed in 10.0.20348.2522Patch KB5039330
  10. Upgrade

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

    Fixed in 10.0.17763.5936Patch KB5039217

Event History

Jun 11, 2024
CVE Published
via Microsoft·07:00 AM
Data Sourced
via Microsoft·07:00 AM
DescriptionSeverityWeakness
Data Sourced
via Microsoft·02:00 PM
Affected Software
Updated
via Microsoft·02:00 PM
Affected Software
Updated
via Microsoft·02:00 PM
Description
CVE Published
via MITRE·04:59 PM
Data Sourced
via MITRE·04:59 PM
DescriptionSeverity
Data Sourced
via NVD·05:15 PM
RemedyDescriptionSeverityWeaknessAffected Software
Oct 13, 2024
News Published
via BleepingComputer·02:17 PM
News Published
via BleepingComputer·03:38 PM
Oct 15, 2024
Known Exploited
via CISA·12:00 AM
Known Ransomware
via CISA·12:00 AM
Data Sourced
via CISA·12:00 AM
RemedyDescriptionAffected Software
Oct 16, 2024
News Published
via BleepingComputer·07:53 PM
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Frequently Asked Questions

1

What is the severity of CVE-2024-30088?

CVE-2024-30088 is classified as a critical elevation of privilege vulnerability in Microsoft Windows Kernel.

2

How do I fix CVE-2024-30088?

To fix CVE-2024-30088, apply the appropriate security updates from Microsoft, specifically KB5039211 for Windows 10 and KB5039212 for Windows 11.

3

Which Windows versions are affected by CVE-2024-30088?

CVE-2024-30088 affects Windows 10 (21H2, 22H2), Windows 11 (21H2, 22H2, 23H2), and Windows Server 2016, 2019, and 2022.

4

Can CVE-2024-30088 be exploited remotely?

CVE-2024-30088 is an elevation of privilege vulnerability and requires local access to exploit.

5

What mechanisms allow the exploitation of CVE-2024-30088?

The vulnerability stems from a time-of-check to time-of-use (TOCTOU) race condition in the Windows Kernel.

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