About Remote Code Execution - Internet Shortcut Files (CVE-2025-33053) vulnerability. A vulnerability from the June Microsoft Patch Tuesday. This vulnerability immediately showed signs of exploitation in the wild. This flaw allows a remote attacker to execute arbitrary code when a victim opens a specially crafted .url file, delivered, for example, through a phishing attack.

🔹 The vulnerability was reported by Check Point researchers. On June 10, the day of Microsoft’s June Patch Tuesday, they published technical details on their website. The vulnerability had been exploited by the APT group Stealth Falcon since at least March 2025. The exploitation led to the download and execution of malware (Horus Agent) from the attacker’s WebDAV server.

🔹 Exploits for this vulnerability have been available on GitHub since June 12.

На русском

Alexander Leonov

Hi! My name is Alexander and I am a Vulnerability Management specialist. You can read more about me here. Currently, the best way to follow me is my Telegram channel @avleonovcom. You can discuss my posts or ask questions at @avleonovchat.

А всех русскоязычных я приглашаю подписаться на мой канал @avleonovrus "Управление Уязвимостями и прочее" в MAX или в Telegram.