What is CVE-2018-19086?

CVE-2018-19086 is a high-severity vulnerability in Iobit Malware Fighter, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2018-11-10.

How severe is CVE-2018-19086?

High severity. CVSS v3 base score is 7.8 out of 10.

Is CVE-2018-19086 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in Iobit Malware Fighter

CVE-2018-19086

RegFilter.sys in IOBit Malware Fighter 6.2 is susceptible to a stack-based buffer overflow when an attacker uses IOCTL 0x8006E040 with a size larger than 8 bytes. This can lead to denial of service or code execution with root privileges.

Vulnerability class: Buffer Overflow

Published 2018-11-10 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.006 (46.7th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 47th percentile — 46.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000

Affected products

Iobit Malware Fighter — versions 6.2

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

Public proof-of-concept exploits

DownWithUp/CVE-Stockpile

References

downwithup.github.io/CVEPosts.html (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2018-19086?: CVE-2018-19086 is a high-severity vulnerability in Iobit Malware Fighter, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2018-11-10.
How severe is CVE-2018-19086?: High severity. CVSS v3 base score is 7.8 out of 10.
Is CVE-2018-19086 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.