CVE-2016-6964: Use-after-free vulnerability in Adobe Reader and Acrobat before 11.0.18, Acrobat and Acrobat Reader DC Clas...

Security readout for executives and security teams

CVE-2016-6964 is a use-after-free flaw in older Adobe Reader and Acrobat versions for Windows and OS X. A malicious PDF or related vector could allow arbitrary code execution. The sources do not show CISA KEV listing or active exploitation evidence. Exposure is most likely on endpoints still running legacy Adobe Reader or Acrobat versions from before the APSB16-33 update levels, especially Windows and OS X desktops that open untrusted PDF files. Treat this as a high-priority legacy endpoint patching issue, not an emergency exploitation event based on the provided evidence. The business risk is code execution through common document-handling software. Mitigation focus: Update Adobe Reader and Acrobat to versions covered by APSB16-33 or later.; Check Adobe’s advisory for product-specific update paths and unsupported versions.; Prioritize systems that process external PDFs or email attachments..

Prepared

Jun 13, 2026, 13:39 UTC (UTC+00:00)

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