Adobeは、「Adobe Acrobat」および「Adobe Acrobat Reader」に重大な脆弱性が存在し、実際に悪用が確認されていると公表した。細工されたPDFにより任意コード実行の恐れがあり、最新版への更新を強く求めている。

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

Adobe has released a fix for an Acrobat and Reader zero-day that attackers had been exploiting for months. The patch, shipped on April 11, addresses CVE-2026-34621, a critical vulnerability in Acrobat ...

Researcher Haifei Li, founder of the exploit detection platform EXPMON, discovered a sophisticated attack that uses PDF files to spy on and potentially ...

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 ...

A critical security vulnerability in Adobe Reader is being actively exploited by cybercriminals through a sophisticated and evolving ...

Hackers have been exploiting an Adobe Reader zero-day vulnerability since December 2025; PDF users are warned.

AdobeのPDF閲覧ソフト「Adobe ...

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

A newly discovered Adobe Reader zero-day vulnerability allows malicious PDF files to steal local data and potentially lead to ...

Hackers have been quietly exploiting what appears to be a zero-day in Adobe Acrobat Reader for months, using booby-trapped PDFs to profile targets and decide who's worth fully compromising.