What is CVE-2019-18568?

CVE-2019-18568 is a high-severity vulnerability in Avira Antivirus Free, classified under Integer Overflow to Buffer Overflow. CVSS score: 8.8/10. Published 2019-12-31.

How severe is CVE-2019-18568?

High severity. CVSS v3 base score is 8.8 out of 10.

Vulnerability in Avira Antivirus Free

CVE-2019-18568

Avira Free Antivirus 15.0.1907.1514 is prone to a local privilege escalation through the execution of kernel code from a restricted user.

Published 2019-12-31 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.007 (52.8th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 53rd percentile — 52.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000

Affected products

Avira Antivirus Free — versions Antivirus Free Antivirus
Avira Free Antivirus — versions 15.0.1907.1514
Microsoft Windows

Weakness classification (CWE)

CWE-680 — Integer Overflow to Buffer Overflow

References

support.avira.com/hc/en-us/articles/360000109798-Avira-Antivirus-for-Windows (Release Notes)

Frequently asked questions

What is CVE-2019-18568?: CVE-2019-18568 is a high-severity vulnerability in Avira Antivirus Free, classified under Integer Overflow to Buffer Overflow. CVSS score: 8.8/10. Published 2019-12-31.
How severe is CVE-2019-18568?: High severity. CVSS v3 base score is 8.8 out of 10.