HermeticReader: How a Bug in Adobe’s PDF Browser Extension Could Expose WhatsApp Chats to Any Website
Researchers at Guardio Labs disclosed a flaw in the Adobe Acrobat Chrome extension, installed on roughly 329 million browsers, that let a malicious website silently read a victim's...
Adobe Acrobat Zero-Day CVE-2026-34621: Four Months of Targeted Espionage via Prototype Pollution Exploit
Adobe patched a critical zero-day in Acrobat Reader (CVE-2026-34621) that was exploited for at least four months via a sophisticated prototype pollution technique. The attack chain enables full...
Adobe Patches Actively Exploited Acrobat Reader Zero-Day CVE-2026-34621 — Exploited Since December 2025
Adobe has issued an emergency patch for CVE-2026-34621 (CVSS 8.6), a prototype pollution zero-day in Acrobat Reader actively exploited since December 2025. Attackers can achieve code execution by...
Adobe Breach: Threat Actor Claims 13 Million Support Tickets Stolen via BPO Hack — HackerOne Data at Risk
A threat actor known as "Mr. Raccoon" claims to have exfiltrated 13 million Adobe customer support tickets, 15,000 employee records, and unpublished HackerOne vulnerability reports through a compromised...
Unpatched Adobe Reader Zero-Day Has Been Silently Exploiting Users Since December
A highly sophisticated zero-day exploit targeting Adobe Reader has been active since December 2025, requiring just a single click to open a PDF. No patch is available yet...
Adobe has released critical security updates for multiple products
Adobe has recently issued a critical security update addressing multiple vulnerabilities in Photoshop that could allow attackers to execute arbitrary code on affected systems. This update is essential...