CVE-2019-19197

high

Description

IOCTL Handling in the kyrld.sys driver in Kyrol Internet Security 9.0.6.9 allows an attacker to achieve privilege escalation, denial-of-service, and code execution via usermode because 0x9C402401 using METHOD_NEITHER results in a read primitive.

References

https://nafiez.github.io/security/vulnerability/2019/11/16/kyrol-internet-security-driver-issue.html

https://github.com/nafiez/nafiez.github.io/blob/master/_posts/2019-11-16-kyrol-internet-security-driver-issue.md

Details

Source: Mitre, NVD

Published: 2019-11-21

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 7.2

Vector: CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C

Severity: High

CVSS v3

Base Score: 7.8

Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Severity: High

EPSS

EPSS: 0.00069