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

Attackers have been exploiting a zero-day vulnerability in Adobe Reader using maliciously crafted PDF documents since at ...

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 ...

Experts find Adobe Reader hit by dangerous zero‑day exploit Malicious PDFs enable data theft and possible full takeover Patch ...

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

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

A researcher has come across what appears to be an actively exploited Adobe Acrobat and Reader zero-day vulnerability.

Unknown hackers are exploiting a zero-day vulnerability in Adobe's PDF Reader software to launch "limited, targeted attacks" against high-value Windows users. According to a warning from Adobe, the ...

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.

This is to remind that a new version of Adobe Acrobat Reader with enhanced features for viewing, creating, editing, printing and internet-sharing PDF documents has been released. To upgrade your ...

The vulnerability is tracked as CVE-2026-34621 and Adobe has confirmed that it can be exploited for arbitrary code execution.