[ CVE-2026-18397 · Published 1 Oct 2026 ]
Vulnerability in Thales SConnect
CVSS 9.4
EPSS <1%No fix listed yet
[ Why it matters ]Priority signals
- Critical severity: CVSS 9.4
[ Description ]Official description
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.
[ Fixes ]Fixes and patches
No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.