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 ...

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。

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

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

黑客已悄然利用Adobe Acrobat Reader中疑似存在的一个零日漏洞长达数月之久，通过植入恶意代码的PDF文件对目标进行情报侦察，从而决定哪些对象值得发动全面攻击。 沙箱漏洞检测系统EXPMON的创始人、安全研究员李海飞表示，此次攻击活动使用的恶意PDF文件在打开的瞬间即可触发执行，即便是已完全更新的Reader版本同样无法幸免，用户除了查看文件外无需进行任何其他操作。 该漏洞利用经过高 ...

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 ...

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 Reader zero-day exploited since Dec 2025 via malicious PDFs, enabling data theft and potential RCE, prompting urgent ...