CVE-2024-21338 vulnerability in Microsoft Products
Published on February 13, 2024
Known Exploited Vulnerability
This Microsoft Windows Kernel Exposed IOCTL with Insufficient Access Control Vulnerability is part of CISA's list of Known Exploited Vulnerabilities. Microsoft Windows Kernel contains an exposed IOCTL with insufficient access control vulnerability within the IOCTL (input and output control) dispatcher in appid.sys that allows a local attacker to achieve privilege escalation.
The following remediation steps are recommended / required by March 25, 2024: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Vulnerability Analysis
CVE-2024-21338 is exploitable with local system access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. It has an exploitability score of 1.8 out of four. The potential impact of an exploit of this vulnerability is considered to be very high.
Products Associated with CVE-2024-21338
You can be notified by stack.watch whenever vulnerabilities like CVE-2024-21338 are published in these products:
What versions are vulnerable to CVE-2024-21338?
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Microsoft Windows 11 23h2
Fixed in Version 10.0.22631.3155
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Microsoft Windows 10 22h2
Fixed in Version 10.0.19045.4046
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Microsoft Windows 11 22h2
Fixed in Version 10.0.22621.3155
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Microsoft Windows 10 21h2
Fixed in Version 10.0.19044.4046
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Microsoft Windows 11 21h2
Fixed in Version 10.0.22000.2777
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Microsoft Windows Server 2022
Fixed in Version 10.0.20348.2322
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Microsoft Windows Server 2019
Fixed in Version 10.0.17763.5458
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Microsoft Windows 10 1809
Fixed in Version 10.0.17763.5458
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Microsoft Windows Server 2022 23h2
Up to Version 10.0.25398.709