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Foxit’s Own Update Service Can Be Turned Into a SYSTEM-Level Backdoor on Windows

27 July 2026  |  dark6  |  Vulnerability

A privilege-escalation flaw in Foxit PDF Reader's updater, tracked as CVE-2026-57239, lets an attacker who already has a foothold on a Windows machine ride the update service all...

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Adobe Acrobat Zero-Day CVE-2026-34621: Four Months of Targeted Espionage via Prototype Pollution Exploit

15 April 2026  |  dark6  |  Vulnerability

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...

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Unpatched Adobe Reader Zero-Day Has Been Silently Exploiting Users Since December

9 April 2026  |  dark6  |  Vulnerability

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...

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From PDF invoice to geo-fenced RAT delivery campaign

10 May 2025  |  securebulletin.com  |  Phishing

A recent campaign targeting Southern European organizations demonstrates advanced evasion techniques combining social engineering, trusted platforms, and geolocation filtering. The attack chain unfolds through four precision stages: 1....

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