CVE-2018-3970: Sophos Hitmanpro.alert

Medium severity, CVSS 5.5. EPSS: 0.5% chance of exploitation in the next 30 days.

An exploitable memory disclosure vulnerability exists in the 0x222000 IOCTL handler functionality of Sophos HitmanPro.Alert 3.7.6.744. A specially crafted IRP request can cause the driver to return uninitialized memory, resulting in kernel memory disclosure. An attacker can send an IRP request to trigger this vulnerability.

Affected products

• Sophos Hitmanpro.alert: version 3.7.6.744 only

Published 2018-10-25. Last modified 2026-06-17.