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    CVE-2026-21219

    Use after free in Inbox COM Objects allows an unauthorized attacker to execute code locally.

    Published:Jan 13, 2026
    Last Modified:Apr 16, 2026
    EPS:Jan 13, 2026
    EPSS Score:0.00072
    CVSS Score:7

    Affected Products

    Vendor
    Microsoft
    Product
    .windows Sdk
    Vendor
    Microsoft
    Product
    Windows Software Development Kit

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-416 Use After Free

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    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