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.
https://www.exploit-db.com/exploits/43929/
http://packetstormsecurity.com/files/146165/System-Shield-5.0.0.136-Privilege-Escalation.html
https://www.greyhathacker.net/?p=1006
Source: Mitre, NVD
Published: 2018-01-31
Updated: 2026-06-17
Base Score: 10
Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C
Severity: Critical
Base Score: 9.8
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS: 0.19659