CVE-2026-18397

critical · 9.4

This vulnerability enables unauthenticated remote code execution (RCE) on a victim's machine by exploiting a combination of cryptographic weaknesses and memory management issues in the SConnect native host component. The attack leverages an unrestricted messaging interface between an attacker-controlled web page and the native host, allowing malicious input to bypass security checks.

9.4

CVSS

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EPSS (exploit prob.)

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EPSS percentile

2026-10-01

Published

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Weaknesses

CWE-130CWE-252CWE-347CWE-457

References

https://www.thalesgroup.com/en/product-security-incident-response

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2026-18397