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

Original story from April 10th, 2026: According to BleepingComputer, there’s a serious vulnerability in Acrobat Reader that can be exploited to steal sensitive data. Security researcher Haifei Li says ...

Adobe Acrobat Reader DC software is the free, trusted standard for viewing, printing, signing, and annotating PDFs. Its the only PDF viewer that can open and interact with all types of PDF content – ...

It's not clear how many people were compromised by this hacking campaign, but a security researcher said the hackers were targeting victims since at least November 2025.

Adobe patches Acrobat Reader zero‑day exploited since Dec 2025 CVE‑2026‑34621 enabled RCE via malicious PDFs Users must update; no workarounds available, defenders urged to monitor traffic Adobe has ...

Forbes contributors publish independent expert analyses and insights. Davey Winder is a veteran cybersecurity writer, hacker and analyst. This voice experience is generated by AI. Learn more. This ...