Stay ahead of emerging threats with expert analysis from 118 published security articles, vulnerability reports, and cybersecurity insights — updated daily with the latest CVEs, threat actor campaigns, and security advisories. Opening the week of May 18 – May 24, 2026 (Tuesday outlook): the new week kicks off with back-to-back CRITICAL advisories — NGINX rewrite-module flaw CVE-2026-42945 hit active exploitation within days of disclosure on Monday, an 18-year-old bug now sitting on every NGINX-fronted application stack, and Cisco Catalyst SD-WAN CVE-2026-20182 landed Sunday at CVSS 10.0 under active exploitation by UAT-8616 with no workaround. Carrying forward from last week, Microsoft Exchange XSS CVE-2026-42897 remains under active attack with CISA listing in the Known Exploited Vulnerabilities catalog, May 2026 Patch Tuesday's unauthenticated Netlogon and DNS RCE pair stays the priority server-side patch at CVSS 9.8, and Ivanti EPMM CVE-2026-6973 still triggers the 3-day federal deadline for any organization running on-prem mobile device management. If your business depends on an NGINX-fronted application, a Cisco SD-WAN fabric, on-premises Exchange, or Ivanti EPMM, this week's advisories require action today — start with the article-level remediation steps below.
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