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The Register
Infosec buffs say Windows users could have been infected with a nasty trojan, while Mac users got off lightly
Bleeping Computer
Adobe has released an emergency security update for Acrobat Reader to fix a vulnerability, tracked as CVE-2026-34621, that has been exploited in zero-day attacks since at least December. [...]
The Hacker News
Adobe has released emergency updates to fix a critical security flaw in Acrobat Reader that has come under active exploitation in the wild. The vulnerability, assigned the CVE identifier CVE-2026-34621, carries a CVSS score of 8.6 out of 10.0. Successful exploitation of the flaw could allow an attacker to run malicious code on affected installations. It has been described as
The Register
Malicious PDFs abuse legit features to harvest system data and decide which victims get a 2nd-stage payload 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.…
The Hacker News
Threat actors have been exploiting a previously unknown zero-day vulnerability in Adobe Reader using maliciously crafted PDF documents since at least December 2025. The finding, detailed by EXPMON's Haifei Li, has been described as a highly-sophisticated PDF exploit. The artifact ("Invoice540.pdf") first appeared on the VirusTotal platform on November 28, 2025. A second
Bleeping Computer
Attackers have been exploiting a zero-day vulnerability in Adobe Reader using maliciously crafted PDF documents since at least December. [...]
The Register
As government says £9B could end up in Redmond, poll says it's time for new thinking readers are backing a shift away from Microsoft software as a default across the UK public sector after the government confirmed it expects to spend £9 billion with the software giant over five years.… Register debate series Register
The Register
That invitation to a Teams call on which IT promises to mop up a spamstorm may not be what it seems Two ransomware campaigns are abusing Microsoft Teams to infect organizations and steal data, and the crooks may have ties to Black Basta and FIN7, according to Sophos.…
Bleeping Computer
Bleeping Computer