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Adobe Reader
Adobe issues emergency fix for Acrobat Reader flaw exploited in the wild (CVE-2026-34621)

Adobe has pushed out an emergency security update for Adobe Acrobat Reader, patching a zero-day vulnerability (CVE-2026-34621) exploited in the wild since November 2025. About …

ClickFix
ClickFix campaign delivers Mac malware via fake Apple page

Security researchers at Jamf have uncovered a new ClickFix-style attack targeting Mac users via a fake Apple-themed webpage offering instructions on how to “reclaim disk …

email
Poisoned “Office 365” search results lead to stolen paychecks

A financially motivated hacking group is targeting Canadian employees with a sophisticated campaign designed to covertly redirect their salary payments into …

Apache ActiveMQ
Claude helps researcher dig up decade-old Apache ActiveMQ RCE vulnerability (CVE-2026-34197)

In the latest demonstration of how AI assistants can help with bug hunting, Horizon3.ai researcher Naveen Sunkavally used Claude to unearth CVE-2026-34197, a remote code …

PDF
Acrobat Reader zero-day exploited in the wild for many months (CVE-2026-34621)

Unknown attackers have exploited a zero-day Adobe Acrobat Reader vulnerability since November 2025 and possibly even earlier, security researcher Haifei Li has discovered. PDF …

Microsoft Windows Defender
BlueHammer: Windows zero-day exploit leaked

A buggy but functional proof-of-concept (PoC) exploit for an unpatched Windows local privilege escalation vulnerability dubbed BlueHammer has been published on GitHub by …

open source
Social engineering attacks on open source developers are escalating

North Korean hackers spent weeks socially engineering an Axios maintainer through a fake Slack workspace, a cloned company identity, and a fabricated Microsoft Teams call that …

Fortinet
FortiClient EMS zero-day exploited, emergency hotfixes available (CVE-2026-35616)

Defused has spotted a critical Fortinet FortiClient Endpoint Management Server (EMS) zero-day vulnerability (CVE-2026-35616) being exploited in the wild. This time around, the …

Cisco
Cisco IMC auth bypass vulnerability allows attackers to alter user passwords (CVE-2026-20093)

Cisco has fixed ten vulnerabilities affecting its Integrated Management Controller (IMC), the most critical of which (CVE-2026-20093) could allow an unauthenticated, remote …

EU
Trivy supply chain attack enabled European Commission cloud breach

CERT-EU confirmed that ShinyHunters are behind the recent breach of the cloud infrastructure underpinning websites of the European Commission, and that they stole and …

door
Software supply chain hacks trigger wave of intrusions, data theft

After linking the Axios npm supply chain attack to North Korean hackers, Google researchers warned that “hundreds of thousands of stolen secrets could potentially be …

North Korea
North Korean hackers linked to Axios npm supply chain compromise

The software supply chain attack that resulted in the compromise of npm packages of Axios, an extremely popular HTTP client library, is believed to be the work of …

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