Adobe Patches Reader Zero-Day Exploited for Months Adobe released emergency patches for a critical Acrobat and Reader zero-day that has been exploited in the wild for several months. The vulnerability, tracked as CVE-2026-34621 with a CVSS score of 9.6, enables arbitrary code execution via improperly controlled prototype attribute modifications and affects Acrobat/Reader on Windows and macOS. #CVE-2026-34621 #AdobeAcrobat...

Adobe releases emergency patch for critical zero-day CVE-2026-34621 in Acrobat and Reader, exploited since Nov. Allows arbitrary code execution via prototype attribute manipulation on Windows and macOS. #AdobePatch #ZeroDay #USA