Today is Microsoft's April 2026 Patch Tuesday with security updates for 167 flaws, including 2 zero-day vulnerabilities.
A pre‑authentication bug in SAML Web SSO, combined with weak access controls and cryptography, allows attackers to escalate privileges and achieve remote code execution.
CVE-2025-59528 exploited in Flowise for over six months across 12,000+ exposed instances, enabling full system compromise.