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#cve-2026-34621

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Adobe Acrobat product hero card showing the red Acrobat icon.
Security·

Adobe's Acrobat zero-day sat on VirusTotal for 136 days. Patch is APSB26-43.

CVE-2026-34621 is an actively exploited Acrobat and Reader bug that runs attacker JavaScript inside the PDF runtime. The first sample hit VirusTotal in November and went unflagged.