19th May 2026 Cyber Update: Exchange Zero-Day Puts On-Prem Mail Servers Back in the Spotlight
Microsoft has confirmed active exploitation of CVE-2026-42897, putting exposed on-prem Exchange and Outlook Web Access environments back under pressure.
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Microsoft has confirmed active exploitation of CVE-2026-42897, putting exposed on-prem Exchange and Outlook Web Access environments back under pressure.
NGINX Rift shows how a small rewrite-rule pattern can become a large operational risk. The flaw is not a universal one-request takeover, but exposed NGINX estates should still treat patching and configuration review as urgent.
Instructure has confirmed that a criminal threat actor accessed Canvas user information and messages, while ShinyHunters claims a far larger education-sector data haul affecting millions of students, teachers, and institutions worldwide.
Trellix says attackers gained unauthorised access to part of its source code repository, but has found no evidence that its release pipeline was affected or that code was exploited.
The UK’s 2025/2026 Cyber Security Breaches Survey shows 43% of businesses and 28% of charities reported a cyber incident in the past year. The headline is not just persistence; it is operational exposure. Phishing remains the dominant route in, education is absorbing heavier pressure, and supplier-r
SAP npm packages poisoned with credential-stealing malware in "Mini Shai-Hulud" attack. Malicious preinstall hooks harvest GitHub tokens, cloud keys and CI/CD secrets. Attackers weaponise AI agent configs for persistence, turning Claude and VS Code settings into execution paths.
Medtronic says a third party accessed data in corporate IT systems, while ShinyHunters claims more than nine million records were stolen. The incident did not disrupt products or patient care, but it exposes the widening risk around corporate IT, identity data and medical technology supply chains.
Vercel confirms a security incident after a compromised third-party AI tool's OAuth token allowed attackers to pivot into internal systems, exposing environment variables and API keys across its platform.
According to Microsoft’s April 2026 Security Update Guide, the company fixed more than 160 vulnerabilities across Windows, Office and core services, including an actively exploited SharePoint zero‑day and a Defender privilege‑escalation flaw.
The largest DeFi exploit of 2026 has seen $293 million drained from Kelp DAO's LayerZero cross-chain bridge, triggering a $5.4 billion withdrawal panic across the broader ecosystem and exposing critical centralization flaws in modular security.
ShinyHunters has exposed a critical weakness in cloud systems. The McGraw Hill breach shows how misconfigured Salesforce portals enabled large scale data leaks, with no software flaw to fix. This marks a shift toward exploiting common operational gaps rather than rare vulnerabilities.
Booking.com confirms hackers accessed customer names, emails, addresses, and booking details via third-party compromise. Stolen data is already fuelling targeted WhatsApp phishing attacks, exposing deep supply chain vulnerabilities in global travel platforms.
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