CVE-2012-2418: Intuit Quickbooks

Medium severity, CVSS 6.8. EPSS: 3.2% chance of exploitation in the next 30 days.

Heap-based buffer overflow in the intu-help-qb (aka Intuit Help System Async Pluggable Protocol) handlers in HelpAsyncPluggableProtocol.dll in Intuit QuickBooks 2009 through 2012, when Internet Explorer is used, allows remote attackers to cause a denial of service (memory corruption) or possibly execute arbitrary code via a URI with a % (percent) character as its (1) last or (2) second-to-last character.

Affected products

• Intuit Quickbooks: version 2009 only; version 2010 only; version 2011 only; version 2012 only

Published 2012-04-25. Last modified 2026-06-16.