Tech Apr 12, 2026 4 min Adobe Acrobat Reader Patches Actively Exploited Zero-Day (CVE-2026-34621 / APSB26-43) Adobe released a patch on April 11, 2026 for a Prototype Pollution RCE in Acrobat Reader that had been exploited since December 2025. CVSS 8.6, Priority 1. Apply within 72 hours. Security Adobe Vulnerability RCE PDF Zero-Day Patch
