What is CVE-2019-5530?

CVE-2019-5530 is a high-severity vulnerability in Bitrock Installbuilder. CVSS score: 7.8/10. Published 2019-08-29.

How severe is CVE-2019-5530?

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

Vulnerability in Bitrock Installbuilder

CVE-2019-5530

Windows binaries generated with InstallBuilder versions earlier than 19.7.0 are vulnerable to tampering even if they contain a valid Authenticode signature.

Published 2019-08-29 · last modified 2026-06-17.

CVSS v3 metric

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

EPSS exploit prediction

EPSS: 0.009 (60.8th percentile), scored 2026-10-26.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 61st percentile — 60.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000

Affected products

Bitrock Installbuilder
Installbuilder — versions prior to 19.7.0

References

blog.bitrock.com/2019/08/installer-tampering-while-preserving.html (Third Party Advisory)

Frequently asked questions

What is CVE-2019-5530?: CVE-2019-5530 is a high-severity vulnerability in Bitrock Installbuilder. CVSS score: 7.8/10. Published 2019-08-29.
How severe is CVE-2019-5530?: High severity. CVSS v3 base score is 7.8 out of 10.