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

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 ...

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

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

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

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 ...

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