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    CVE-2026-72989

    Use of uninitialized resource in Windows Failover Cluster allows an unauthorized attacker to disclose information over a network.

    Published:Sep 8, 2026
    Last Modified:Sep 9, 2026
    EPS:Sep 8, 2026
    EPSS Score:0.00787
    CVSS Score:7.5

    Affected Products

    Vendor
    Microsoft
    Product
    Windows 10 1809
    Vendor
    Microsoft
    Product
    Windows Server 2019
    Vendor
    Microsoft
    Product
    Windows Server 2019 (server Core Installation)
    Vendor
    Microsoft
    Product
    Windows Server 2022
    Vendor
    Microsoft
    Product
    Windows Server 2025
    Vendor
    Microsoft
    Product
    Windows Server 2025 (server Core Installation)

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-908 Use of Uninitialized Resource

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

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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