High severity7.8NVD Advisory· Published Jan 10, 2020· Updated Jun 17, 2026
CVE-2019-19820
CVE-2019-19820
Description
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.
Affected products
3- Kyrol/Internet Securitydescription
- Range: = 9.0.6.9
- Range: = 9.0.6.9
Patches
Vulnerability mechanics
References
2- github.com/nafiez/nafiez.github.io/blob/master/_posts/2019-12-04-kyrol-internet-security-invalid-pointer-vulnerability.mdnvdExploitThird Party Advisory
- nafiez.github.io/security/vulnerability/2019/12/04/kyrol-internet-security-invalid-pointer-vulnerability.htmlnvdExploitThird Party Advisory
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