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

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

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

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

In recent years, the use of malware embedded in Adobe Acrobat PDF plugins has become an increasingly sophisticated threat to cybersecurity. As PDFs are a widely used format for document sharing, they ...