Adobe于4月11日发布补丁，修复了Acrobat和Reader中的零日漏洞CVE-2026-34621。该漏洞影响Windows和macOS平台，可导致任意代码执行。攻击者利用恶意PDF中高度混淆的JavaScript，通过合法API收集系统信息，并可下载二阶段载荷实现远程控制或沙箱逃逸。研究人员发现，此攻击活动最早可追溯至2025年底，部分诱饵文件以俄语书写并涉及油气行业主题，疑为定向攻击。

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

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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 ...

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

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

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.