Adobe fixes critical PDF zero-day bug

Adobe has addressed a critical zero-day vulnerability within its widely-used PDF software, a flaw that malicious actors had been actively exploiting for several months. Security researchers indicated that the exploitation campaign targeting victims began as early as November 2025. While the exact number of compromised individuals remains unclear, the successful exploitation of this vulnerability highlights ongoing risks associated with unpatched software. Users are strongly advised to update their Adobe products immediately to prevent potential security breaches and protect sensitive data from unauthorized access.