VULNERABILITY INTELLIGENCE

CVE-2026-32661

CVSS score9.8 CRITICAL

EPSS probability0.47%

CISA KEVNot currently listed

Published2026-05-13

Last modified2026-10-26

Description

Stack-based buffer overflow vulnerability exists in GUARDIANWALL MailSuite and GUARDIANWALL Mail Security Cloud (SaaS version). If a remote attacker sends a specially crafted request to the product's web service, arbitrary code may be executed when the product is configured to run pop3wallpasswd with grdnwww user privilege.