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    CVE-2022-22753

    A Time-of-Check Time-of-Use bug existed in the Maintenance (Updater) Service that could be abused to grant Users write access to an arbitrary directory. This could have been used to escalate to SYSTEM access.<br>*This bug only affects Firefox on Windows. Other operating systems are unaffected.*. This vulnerability affects Firefox < 97, Thunderbird < 91.6, and Firefox ESR < 91.6.

    Published:Feb 8, 2022
    Last Modified:Apr 16, 2025
    EPS:Dec 22, 2022
    EPSS Score:0.00143
    CVSS Score:7.1

    Affected Products

    Vendor
    Microsoft
    Product
    Windows
    Vendor
    Mozilla
    Product
    Firefox
    Vendor
    Mozilla
    Product
    Firefox Esr
    Vendor
    Mozilla
    Product
    Thunderbird

    Exploits

    https://bugzilla.mozilla.org/show_bug.cgi?id=1732435https://bugzilla.mozilla.org/show_bug.cgi?id=1732435

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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