CVE-2018-5701: Iolo System Shield

Critical severity, CVSS 9.8. EPSS: 18.5% chance of exploitation in the next 30 days.

In Iolo System Shield AntiVirus and AntiSpyware 5.0.0.136, the amp.sys driver file contains an Arbitrary Write vulnerability due to not validating input values from IOCtl 0x00226003.

Affected products

• Iolo System Shield: version 5.0.0.136 only

Published 2018-01-31. Last modified 2026-06-17.