CVE-2024-30088: Microsoft Windows Kernel TOCTOU Race Condition Vulnerability
First published: Tue 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.
Credit: secure@microsoft.com secure@microsoft.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Microsoft Windows 10 | =22H2 | |
| Microsoft Windows 10 | =22H2 | |
| Microsoft Windows 10 | =21H2 | |
| Microsoft Windows 11 | =22H2 | |
| Microsoft Windows Server 2019 | ||
| Microsoft Windows 11 | =22H2 | |
| Microsoft Windows 10 | ||
| Microsoft Windows Server 2022 | ||
| Microsoft Windows 10 | =21H2 | |
| Microsoft Windows 11 | =23H2 | |
| Microsoft Windows 11 | =21H2 | |
| Microsoft Windows 11 | =23H2 | |
| Microsoft Windows 11 | =21H2 | |
| Microsoft Windows Server 2016 | ||
| Microsoft Windows 10 | =22H2 | |
| Microsoft Windows 10 | =1809 | |
| Microsoft Windows Server 2019 | ||
| Microsoft Windows Server 2016 | ||
| Microsoft Windows 10 | =21H2 | |
| Microsoft Windows 10 | =1607 | |
| Microsoft Windows 10 | =1809 | |
| Microsoft Windows 10 | =1809 | |
| Microsoft Windows 10 | =1607 | |
| Microsoft Windows 10 | ||
| Microsoft Windows Server 2022 | ||
| Microsoft Windows | ||
| Microsoft Windows 10 1507 | <10.0.10240.20680 | |
| Microsoft Windows 10 Version 1607 x86 | <10.0.14393.7070 | |
| Microsoft Windows 10 Version 1607 x86 | <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 Server 2022 23H2 |
Remedy
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
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Reference Links
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-30088 (Advisory)
- https://www.bleepingcomputer.com/news/security/oilrig-hackers-now-exploit-windows-flaw-to-elevate-privileges/
- https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2024-30088
- https://nvd.nist.gov/vuln/detail/CVE-2024-30088
- https://www.bleepingcomputer.com/news/security/solarwinds-web-help-desk-flaw-is-now-exploited-in-attacks/
Frequently Asked Questions
What is the severity of CVE-2024-30088?
CVE-2024-30088 is classified as a critical elevation of privilege vulnerability in Microsoft Windows Kernel.
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.
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.
Can CVE-2024-30088 be exploited remotely?
CVE-2024-30088 is an elevation of privilege vulnerability and requires local access to exploit.
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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