Microsoft's October Patch Tuesday addresses record vulnerabilities, including an exploited zero-day.

Microsoft's October 2026 Patch Tuesday includes a record 1,415 vulnerability fixes across its products, such as Windows, Office, and Azure. The update addresses 78 critical flaws and two zero-day vulnerabilities, with one (CVE-2026-96951) actively exploited in the wild, bypassing Windows Shell security features. Users are urged to apply these crucial updates to mitigate widespread security risks.