CVEvulnerability

CVE-2026-18397

9.4 CRITICAL Published 2026-10-01 Modified 2026-10-02 Official page ↗
Status
Deferred
Published
2026-10-01
Last modified
2026-10-02
Assigner
[email protected]
CVSS 4.0 ([email protected])
9.4 CRITICAL — 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-130, CWE-252, CWE-347, CWE-457

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.

Related

Weakness · CWE (4)

  • CWE-130 Improper Handling of Length Parameter Inconsistency weakness
  • CWE-252 Unchecked Return Value weakness
  • CWE-347 Improper Verification of Cryptographic Signature weakness
  • CWE-457 Use of Uninitialized Variable weakness

References