CVE-2011-4373: Adobe Reader and Acrobat before 9.5, and 10.x before 10.1.2, on Windows and Mac OS X allow attackers to exe...

Security readout for executives and security teams

This CVE affects old Adobe Reader and Acrobat releases on Windows and Mac OS X. A malicious or malformed input could corrupt memory, allowing arbitrary code execution or a crash. Business risk is mainly from legacy endpoints that still open PDF files with these unsupported-era versions. Exposure is most likely on legacy Windows or Mac OS X systems running Adobe Reader or Acrobat older than 9.5, or 10.x older than 10.1.2. Modern managed fleets are less likely exposed if Adobe software has been updated or removed. Prioritize remediation where old Adobe PDF software remains on business endpoints, especially systems that receive external documents. The issue is old, but arbitrary code execution in document software can still matter on neglected or unmanaged machines. Mitigation focus: Upgrade Adobe Reader and Acrobat to 9.5, 10.1.2, or later versions covered by Adobe guidance.; Remove legacy Adobe Reader or Acrobat installations that are no longer required.; Check Adobe APSB12-01 and vendor guidance for supported remediation paths..

Prepared

Jun 27, 2026, 17:28 UTC (UTC+00:00)

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