Microsoft Patch Tuesday for October 2026 — Snort rules and prominent vulnerabilities

Microsoft released its October 2026 security update, containing 1415 vulnerabilities, including 85 marked as 'critical'. Many of the critical vulnerabilities are remote code execution (RCE) and involve weaknesses such as Incorrect Authorization, Stack-based Buffer Overflow, and Use After Free. Microsoft considers exploitation of several vulnerabilities unlikely, while one, CVE-2026-96202, is a spoofing vulnerability in Azure Event Grid. The update addresses a wide range of products, including Windows, Office, and Azure services.