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    CVE-2025-21333

    Windows Hyper-V NT Kernel Integration VSP Elevation of Privilege Vulnerability

    Published:Jan 14, 2025
    Last Modified:Feb 26, 2026
    EPS:Jan 14, 2025
    EPSS Score:0.77984
    CVSS Score:7.8

    CISA Notification

    Description

    Windows Hyper-V NT Kernel Integration VSP 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
    Feb 4, 2025
    584 days ago
    Alert Date
    Jan 14, 2025
    605 days ago

    Affected Products

    Vendor
    Microsoft
    Product
    Windows 10 21H2
    Vendor
    Microsoft
    Product
    Windows 10 21h2
    Vendor
    Microsoft
    Product
    Windows 10 22H2
    Vendor
    Microsoft
    Product
    Windows 10 22h2
    Vendor
    Microsoft
    Product
    Windows 11 22H2
    Vendor
    Microsoft
    Product
    Windows 11 22h2
    Vendor
    Microsoft
    Product
    Windows 11 23H2
    Vendor
    Microsoft
    Product
    Windows 11 23h2
    Vendor
    Microsoft
    Product
    Windows 11 24H2
    Vendor
    Microsoft
    Product
    Windows 11 24h2
    Vendor
    Microsoft
    Product
    Windows Server 2022 23h2
    Vendor
    Microsoft
    Product
    Windows Server 2025
    Vendor
    Microsoft
    Product
    Windows Server 23h2

    Exploits

    https://www.exploit-db.com/exploits/52436https://www.exploit-db.com/exploits/52436https://github.com/aleongx/KQL_sentinel_CVE-2025-21333https://github.com/Ashwesker/Blackash-CVE-2025-21333https://github.com/B1ack4sh/Blackash-CVE-2025-21333https://github.com/MrAle98/CVE-2025-21333-POChttps://github.com/nu1lptr0/CVE-2025-21333https://github.com/pradip022/CVE-2025-21333-POChttps://github.com/rahul0xkr/Reproducing-CVE-2025-21333-https://github.com/uname1able/CVE-2025-21333

    Common Weakness Enumeration

    CWE-122 Heap-based Buffer Overflow

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-92 Forced Integer Overflow

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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