CVE-2016-1059: Use-after-free vulnerability in Adobe Reader and Acrobat before 11.0.16, Acrobat and Acrobat Reader DC Clas...

Security readout for executives and security teams

CVE-2016-1059 is a memory safety flaw in Adobe Reader and Acrobat on Windows and OS X. If exploited, it could let an attacker run arbitrary code in the context of the affected application. Public source details do not describe the vector, and CISA KEV status in the bundle does not show known active exploitation. Exposure is most likely on endpoints still running legacy Adobe Reader or Acrobat versions on Windows or OS X, especially unmanaged desktops, old images, and systems excluded from normal application patching. Treat as a high-priority cleanup item where legacy Adobe clients remain. It enables arbitrary code execution, but the provided evidence does not show active exploitation or enough detail to justify emergency treatment without local exposure. Mitigation focus: Upgrade affected Adobe Reader and Acrobat installations to the fixed versions or later.; Prioritize Windows and OS X endpoints running legacy Acrobat or Reader builds.; Use Adobe APSB16-14 as the authoritative update and product-version reference..

Prepared

Jun 13, 2026, 14:44 UTC (UTC+00:00)

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