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CVE-2009-3953

KEVAdobe Acrobat and Reader Universal 3D Remote Code Execution Vulnerability

Adobe Acrobat and Reader contains an array boundary issue in Universal 3D (U3D) support that could lead to remote code execution.

The U3D implementation in Adobe Reader and Acrobat 9.x before 9.3, 8.x before 8.2 on Windows and Mac OS X, and 7.x before 7.1.4 allows remote attackers to execute arbitrary code via malformed U3D data in a PDF document, related to a CLODProgressiveMeshDeclaration "array boundary issue," a different vulnerability than CVE-2009-2994.

CVSS 3.1 vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
PublishedJan 13, 2010
Last modifiedJun 16, 2026
Added to KEVJun 8, 2022
Remediation dueJun 22, 2022
    82
    Risk assessment · Critical

    Actively exploited. Patch immediately.

    Exploitation
    Confirmed in the wild (CISA KEV)
    Federal remediation deadline
    Overdue by 1588 days
    CVSS
    8.8 HIGH
    EPSS (30-day exploit probability)
    83.2% · top 1% of all CVEs
    Weakness
    CWE-787
    Attack vector
    Network, remotely reachable
    1. 1.Apply updates per vendor instructions.
    2. 2.Treat as emergency change: patch or isolate internet-facing instances first.
    3. 3.Review exposure: confirm which instances are reachable from the internet and restrict access until patched.
    4. 4.Hunt for compromise: review logs for the disclosure window, not just from the patch date.

    Assessment is derived automatically from the live signals above; verify against your own asset inventory.