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VulnerabilitycriticalExploited in the wild

Week in review: Notepad++ supply chain attack details and targets, Patch Tuesday forecast

Help Net Securityby @helpnetsecurity ()10 min read2
Analyze CVE-2026-21509 with Vani AIImpact, affected versions, exploitation, mitigations and detection

Vulnerabilities mentioned

All
CVEVulnerabilityCVSSEPSSSignalsPublished
CVE-2025-22225
Sandbox Escape via Arbitrary Kernel Write in VMware ESXi (Actively Exploited)
8.21%KEVRansomware
KEV
CVE-2026-21509
Local Security Feature Bypass in Microsoft Office Under Active Exploitation
7.871%KEV
KEV
CVE-2026-24423
Unauthenticated RCE in SmarterTools SmarterMail (CVE-2026-24423)
9.388%KEVRansomwarePoC
KEV

From the original article

10 min read at helpnetsecurity.com

Here’s an overview of some of last week’s most interesting news, articles, interviews and videos: Global Threat Map: Open-source real-time situational awareness platform Global Threat Map is an open-source project offering security teams a live view of reported cyber activity across the globe, pulling together open data feeds into a single interactive map.

Help Net Security

By @helpnetsecurity · helpnetsecurity.com

Read the full article at Help Net Security

A short excerpt; the article and its images belong to the publisher. Summary, key facts and assessment above are AI-written from the article and can be wrong.