Chrome's fifth zero-day of 2026 and the Shai-Hulud PyPI campaign targeting 19 Python packages highlight the growing convergence of browser exploitation and open-source supply chain threats.
This week: VS Code one-click GitHub token theft, Cisco's 7th SD-WAN zero-day (CVE-2026-20245), Kirki and Burst Statistics WordPress plugins under active attack, and 100 AI agents tested for security.
CISA added five vulnerabilities to its Known Exploited Vulnerabilities Catalog in June 2026 — Android Framework RCE, Linux kernel privesc, Oracle WebLogic access, PAN-OS VPN bypass, and trojanized Daemon Tools builds. Here is what defenders need to know and do.
This week: npm 2FA-gated publishing, LiteSpeed CVE-2026-48172 exploited for root on shared hosting, Drupal SQLi added to CISA KEV, 8 Packagist packages shipping Linux malware, a CVSS 10.0 Cisco flaw, and the first VPN takedown over ransomware facilitation.
Microsoft Defender's May 2026 triple zero-day: BlueHammer (CVE-2026-33825) steals SAM hashes, RedSun overwrites SYSTEM files, UnDefend blinds the EDR itself. One is patched, two are not.
May 2026's critical rundown: an 18-year-old NGINX rewrite RCE (CVE-2026-42945) enabling unauthenticated code execution, Microsoft's 138-flaw Patch Tuesday with 16 bugs found by its own MDASH AI, an Exim BDAT flaw, a BitLocker zero-day PoC fixed only on Windows 11, and the 150-package GemStuffer RubyGems campaign.
May 2026 is defined by AI-powered attacks (Claude workspace npm stealers, Grandoreiro phishing), an exploited 0-day flood (NGINX CVE-2026-42945, Defender, DirtyDecrypt), the GitHub breach and Megalodon CI/CD poisoning, and OAuth consent phishing that sidesteps MFA. Defense strategies inside.
April 2026 was one of the most volatile months in cybersecurity history: Microsoft's 167-flaw Patch Tuesday, exploited SharePoint and IKE zero-days, ransomware at Rockstar and McGraw-Hill, and two CISA emergency directives — everything defenders need to know.
Microsoft's April 2026 Patch Tuesday fixed 168 vulnerabilities — an exploited SharePoint zero-day (CVE-2026-32201), the BlueHammer Defender EoP, and a CVSS 9.8 IKE RCE. Complete breakdown and patching order inside.
Pwn2Own Berlin 2026 awarded $1.3M for 47 zero-days in three days - and AI coding assistants OpenAI Codex and Anthropic Claude Code were exploited on stage for the first time. DEVCORE took Master of Pwn with $505K. Full results, the AI-target analysis, and what AppSec teams must do now.
Zero-days went from rare events to the 2026 baseline: the Chrome double zero-day, the APT28 re-exploited Windows Shell flaw, and Adobe's four-month window. The data, the CVEs, and a six-step defense playbook.
Five threat streams converged in May 2026: the actively exploited Ivanti EPMM zero-day, a fake OpenAI repo on Hugging Face dropping infostealers, cPanel CVEs reaching CVSS 8.8, TCLBANKER worming through WhatsApp and Outlook, and ShinyHunters hitting Canvas LMS. One briefing, one action plan.