Adobe has released an emergency security update for Acrobat Reader to fix a vulnerability, tracked as CVE-2026-34621, that ...

Adobe patches CVE-2026-34621 after active exploitation since Dec 2025, preventing remote code execution via malicious PDFs.

A critical Adobe Acrobat zero-day has been exploited for months via malicious PDFs to steal data and potentially take over ...

Adobe Acrobat and Reader users are under attack from hackers using a zero-day vulnerability. Update within 72 hours, Adobe ...

The vulnerability, assigned the CVE identifier CVE-2026-34621, carries a CVSS score of 9.6 out of 10.0. Successful ...

アドビ（Adobe）は、WindowsおよびmacOSの両プラットフォームでAdobe AcrobatおよびReaderを使用しているユーザーに影響を与える深刻な脆弱性「CVE-2026-34621」が、すでに攻撃者に悪用されていることを正式に認めた ...

Now a security researcher says a Reader hole has been quietly exploited by malware for as long as four months, fingerprinting ...

AdobeのPDF閲覧ソフト「Adobe ...