CVE-2016-4091: Heap-based buffer overflow in Adobe Reader and Acrobat before 11.0.16, Acrobat and Acrobat Reader DC Classi...

Security readout for executives and security teams

CVE-2016-4091 is a memory corruption flaw in Adobe Reader and Acrobat. On affected Windows and OS X systems, successful exploitation could allow arbitrary code execution. The public record does not provide attack-vector detail, and the source bundle does not show confirmed active exploitation. Exposure is limited to systems running the listed Adobe Reader or Acrobat versions on Windows or OS X. Organizations with legacy Adobe installations or unmanaged endpoints are most likely to retain exposure. Treat as a high-priority legacy software remediation item. The vulnerability enables code execution, but available sources do not show current active exploitation. Focus on finding and updating outdated Adobe Reader/Acrobat installations. Mitigation focus: Update Adobe Reader/Acrobat to the fixed versions or later listed in Adobe APSB16-14.; Prioritize unmanaged endpoints and systems handling external documents.; Remove or replace unsupported Adobe Reader/Acrobat versions..

Prepared

Jun 13, 2026, 15:14 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.