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    CVE-2021-43755

    Adobe After Effects versions 22.0 (and earlier) and 18.4.2 (and earlier) are affected by an Out-of-bounds Write vulnerability due to insecure handling of a malicious file, potentially resulting in arbitrary code execution in the context of the current user. User interaction is required to exploit this vulnerability.

    Published:Jun 15, 2022
    Last Modified:Apr 23, 2025
    EPS:Jun 15, 2022
    EPSS Score:0.015
    CVSS Score:7.8

    Affected Products

    Vendor
    Adobe
    Product
    After Effects
    Vendor
    Apple
    Product
    Macos
    Vendor
    Microsoft
    Product
    Windows

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-787 Out-of-bounds Write

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

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    CVE-2026-34643 (CVSS 7.8) — After Effects versions 26.0, 25.6.4 and earlier are affected by an out-of-bounds write vulnerability that coul…
    CVE-2026-34642 (CVSS 7.8) — After Effects versions 26.0, 25.6.4 and earlier are affected by a Heap-based Buffer Overflow vulnerability tha…
    CVE-2026-21329 (CVSS 7.8) — After Effects versions 25.6 and earlier are affected by a Use After Free vulnerability that could result in ar…
    CVE-2026-21323 (CVSS 7.8) — After Effects versions 25.6 and earlier are affected by a Use After Free vulnerability that could result in ar…
    CVE-2026-21324 (CVSS 7.8) — After Effects versions 25.6 and earlier are affected by an out-of-bounds read vulnerability when parsing a cra…
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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