What is CVE-2025-15595?

CVE-2025-15595 is a high-severity vulnerability in Jrsoftware Inno Setup, classified under Weak Authentication. CVSS score: 7.8/10. Published 2026-03-03.

How severe is CVE-2025-15595?

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

Vulnerability in Jrsoftware Inno Setup

CVE-2025-15595

Privilege escalation via dll hijacking in Inno Setup 6.2.1 and ealier versions.

Published 2026-03-03 · last modified 2026-06-17.

CVSS v3 metric

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

EPSS exploit prediction

EPSS: 0.001 (0.5th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 0th percentile — 0.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.001 · newest: 0.001 · change: 0.000

Affected products

Jrsoftware Inno Setup
Mlsoft Inno Setup — versions 0, 6.2.2

Weakness classification (CWE)

CWE-1390 — Weak Authentication

References

db4dfee8-a97e-4877-bfae-eba6d14a2166 (Release Notes)

Frequently asked questions

What is CVE-2025-15595?: CVE-2025-15595 is a high-severity vulnerability in Jrsoftware Inno Setup, classified under Weak Authentication. CVSS score: 7.8/10. Published 2026-03-03.
How severe is CVE-2025-15595?: High severity. CVSS v3 base score is 7.8 out of 10.