CVE-2017-9046: Pmail Pegasus

High severity, CVSS 7.3. EPSS: 0.6% chance of exploitation in the next 30 days.

winpm-32.exe in Pegasus Mail (aka Pmail) v4.72 build 572 allows code execution via a crafted ssgp.dll file that must be installed locally. For example, if ssgp.dll is on the desktop and executes arbitrary code in the DllMain function, then clicking on a mailto: link on a remote web page triggers the attack.

Affected products

  • Pmail Pegasus: version 4.72 only

Published 2017-05-21. Last modified 2026-06-17.