Patch Forecast
Amber warning
Patch this week.

CVE-2026-18397

This vulnerability enables unauthenticated remote code execution (RCE) on a victim's machine by…

Risk score
67/100
CVSS
9.4 v4.0
Exploit chance (30 days)
0.3%
Published
1 Oct 2026

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What to know

What it is
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 t…
Affected
See advisory
Fix
Apply the vendor's security update; see the linked advisory.
Exploitation
No known exploitation

Why it is Amber

  • CVSS 9.4 critical
  • Remotely exploitable without logging in

References

Original 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.

Last activity 1 Oct 2026. Patch Forecast updates every hour.