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    CVE-2025-33073

    Improper access control in Windows SMB allows an authorized attacker to elevate privileges over a network.

    Published:Jun 10, 2025
    Last Modified:Feb 26, 2026
    EPS:Jun 10, 2025
    EPSS Score:0.51186
    CVSS Score:8.8

    CISA Notification

    Description

    Improper access control in Windows SMB allows an authorized attacker to elevate privileges over a network.

    Required Action:

    Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

    Notes:

    No extra notes provided.

    Due Date
    Nov 10, 2025
    305 days ago
    Alert Date
    Oct 20, 2025
    326 days ago

    Affected Products

    Vendor
    Microsoft
    Product
    Windows 10 1507
    Vendor
    Microsoft
    Product
    Windows 10 1607
    Vendor
    Microsoft
    Product
    Windows 10 1809
    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 2008
    Vendor
    Microsoft
    Product
    Windows Server 2008 R2
    Vendor
    Microsoft
    Product
    Windows Server 2008 Sp2
    Vendor
    Microsoft
    Product
    Windows Server 2012
    Vendor
    Microsoft
    Product
    Windows Server 2012 R2
    Vendor
    Microsoft
    Product
    Windows Server 2016
    Vendor
    Microsoft
    Product
    Windows Server 2019
    Vendor
    Microsoft
    Product
    Windows Server 2022
    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/52330https://github.com/Ashwesker/Blackash-CVE-2025-33073https://github.com/B1ack4sh/Blackash-CVE-2025-33073https://github.com/cve-2025-33073/cve-2025-33073https://github.com/EgCupCake/cupntlm-Automated-Exploit-For-CVE-2025-33073-https://github.com/Iddygodwin/CVE-2025-33073https://github.com/irjfifndn-prog/Blackash-CVE-2025-33073https://github.com/IyarGross/SMB-CVE-2025-33073https://github.com/matejsmycka/CVE-2025-33073-checkerhttps://github.com/mverschu/CVE-2025-33073https://github.com/obscura-cert/CVE-2025-33073https://github.com/SellMeFish/windows-smb-vulnerability-framework-cve-2025-33073https://github.com/sentinel-aidefense/CVE-2025-33073https://github.com/SFRDevelopment/windows-smb-vulnerability-framework-cve-2025-33073https://github.com/sleepasleepzzz/CVE-2025-33073https://github.com/starscow/CVE-2025-33073https://github.com/uziii2208/CVE-2025-33073

    Common Weakness Enumeration

    CWE-284 Improper Access Control

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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