ID:12760 - Exploit for Time-of-check Time-of-use (TOCTOU) Race Condition in Notepad++ - CVE-2026-52885

Link to public exploit:

Vulnerability description

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to a time-of-check, time-of-use (TOCTOU) race condition between HMAC validation and command execution. A remote user can execute arbitrary commands on the target system.

Remediation