CISA

Google patches CVE-2026-5281, a use-after-free in Chrome's Dawn WebGPU layer exploited in the wild, marking the fourth Chrome zero-day of 2026. CISA gives federal agencies until April 15 to update.

A joint FBI-CISA advisory says Russian-linked actors have compromised thousands of Signal and WhatsApp accounts belonging to government officials, military personnel, and journalists across multiple countries.

A critical pre-authentication remote code execution vulnerability in BeyondTrust Remote Support and Privileged Remote Access products, rated CVSS 9.9, is being actively exploited in ransomware attacks across six countries, with thousands of on-premises instances still unpatched.

Google releases emergency Chrome 146 update to fix two high-severity zero-days in the Skia graphics library and V8 JavaScript engine, both confirmed exploited in the wild.

Google and iVerify reveal Coruna, a 23-exploit iOS framework that moved from a surveillance vendor to Russian spies to Chinese cybercriminals in months.

Google's March 2026 Android security update addresses 129 vulnerabilities including an actively exploited Qualcomm graphics flaw affecting 235 chipsets and a critical remote code execution bug in Android 16.

A command injection vulnerability in Broadcom's VMware Aria Operations is under active exploitation, prompting CISA to set a March 24 federal remediation deadline.

A maximum-severity authentication bypass in Cisco Catalyst SD-WAN has been actively exploited since 2023 by a sophisticated threat actor, prompting a CISA emergency directive requiring federal agencies to patch or disconnect affected systems.

Microsoft's February Patch Tuesday fixes 58 flaws including six zero-days already under attack, with CISA ordering immediate federal remediation.

Binding Operational Directive 26-02 gives agencies 18 months to inventory and replace end-of-life firewalls, routers, and switches that advanced threat actors are actively exploiting.