CVE-2009-1862: Adobe Acrobat and Reader, Flash Player Unspecified Vulnerability

High severity, CVSS 7.8. Actively exploited: in CISA KEV since 2022-06-08. EPSS: 21.2% chance of exploitation in the next 30 days.

Unspecified vulnerability in Adobe Reader and Acrobat 9.x through 9.1.2, and Adobe Flash Player 9.x through 9.0.159.0 and 10.x through 10.0.22.87, allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via (1) a crafted Flash application in a .pdf file or (2) a crafted .swf file, related to authplay.dll, as exploited in the wild in July 2009.

Affected products

• Adobe Acrobat: from 9.0, up to and including 9.1.2
• Adobe Acrobat Reader: from 9.0, up to and including 9.1.2
• Adobe Flash Player: from 9.0, up to and including 9.0.159.0; from 10.0, up to and including 10.0.22.87

Published 2009-07-23. Last modified 2026-06-16.