What is CVE-2019-18278?

CVE-2019-18278 is a high-severity vulnerability in Microsoft Windows. CVSS score: 7.8/10. Published 2019-10-23.

How severe is CVE-2019-18278?

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

Vulnerability in Microsoft Windows

CVE-2019-18278

When executing VideoLAN VLC media player 3.0.8 with libqt on Windows, Data from a Faulting Address controls Code Flow starting at libqt_plugin!vlc_entry_license__3_0_0f+0x00000000003b9aba. NOTE: the VideoLAN security team indicates that they have not been contacted, and have no way of reproducing this issue.

Published 2019-10-23 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.004 (33.8th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 34th percentile — 33.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

Microsoft Windows
Videolan Vlc Media Player — versions 3.0.8

References

code610.blogspot.com/2019/10/random-bytes-in-vlc-308.html (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2019-18278?: CVE-2019-18278 is a high-severity vulnerability in Microsoft Windows. CVSS score: 7.8/10. Published 2019-10-23.
How severe is CVE-2019-18278?: High severity. CVSS v3 base score is 7.8 out of 10.