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

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 ...

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

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.

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

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

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

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

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

An Adobe expert explains why the Portable Document Format remains so popular worldwide – and what AI means for its future ...