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    CVE-2024-21338

    Windows Kernel Elevation of Privilege Vulnerability

    Published:Feb 13, 2024
    Last Modified:Oct 28, 2025
    EPS:Feb 13, 2024
    EPSS Score:0.76193
    CVSS Score:7.8

    CISA Notification

    Description

    Windows Kernel Elevation of Privilege Vulnerability

    Required Action:

    Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

    Notes:

    No extra notes provided.

    Due Date
    Mar 25, 2024
    900 days ago
    Alert Date
    Mar 4, 2024
    921 days ago

    Affected Products

    Vendor
    Microsoft
    Product
    Windows 10 1809
    Vendor
    Microsoft
    Product
    Windows 10 21h2
    Vendor
    Microsoft
    Product
    Windows 10 22h2
    Vendor
    Microsoft
    Product
    Windows 11 21h2
    Vendor
    Microsoft
    Product
    Windows 11 22h2
    Vendor
    Microsoft
    Product
    Windows 11 23h2
    Vendor
    Microsoft
    Product
    Windows Server 2019
    Vendor
    Microsoft
    Product
    Windows Server 2022
    Vendor
    Microsoft
    Product
    Windows Server 2022 23h2

    Exploits

    https://decoded.avast.io/janvojtesek/lazarus-and-the-fudmodule-rootkit-beyond-byovd-with-an-admin-to-kernel-zero-day/https://packetstorm.news/files/id/190586/https://www.exploit-db.com/exploits/52275https://www.exploit-db.com/exploits/51946https://github.com/Crowdfense/CVE-2024-21338https://github.com/hackyboiz/kcfg-bypasshttps://github.com/hakaioffsec/CVE-2024-21338https://github.com/MistyFir/CVE-2024-21338-Exploithttps://github.com/tykawaii98/CVE-2024-21338_PoChttps://github.com/UMU618/CVE-2024-21338https://github.com/wusijie/CVE-2024-21338-1https://github.com/Zombie-Kaiser/CVE-2024-21338-x64-build-https://www.exploit-db.com/exploits/52275

    Common Weakness Enumeration

    CWE-822 Untrusted Pointer Dereference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-129 Pointer Manipulation

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    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High