CVE-2019-19820
HIGHKyrol Internet Security 9.0.6.9 - Use-After-Free in kyrld.sys IOCTL Handling
Title source: llmDescription
An invalid pointer vulnerability in 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 0x9C402405 using METHOD_NEITHER results in a read primitive.
References (2)
Core 2
Core References
Exploit, Third Party Advisory x_refsource_misc
https://nafiez.github.io/security/vulnerability/2019/12/04/kyrol-internet-security-invalid-pointer-vulnerability.html
Exploit, Third Party Advisory x_refsource_misc
https://github.com/nafiez/nafiez.github.io/blob/master/_posts/2019-12-04-kyrol-internet-security-invalid-pointer-vulnerability.md
Scores
CVSS v3
7.8
EPSS
0.0065
EPSS Percentile
46.2%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Details
CWE
CWE-763
Status
published
Products (1)
kyrol/internet_security
9.0.6.9
Published
Jan 10, 2020
Tracked Since
Feb 18, 2026