
September 2026 Patch Tuesday roundup: Plugs for two zero day holes among almost 1,000 fixes in Windows
Possibly wormable bugs and two zero-day holes highlight the almost 1,000 fixes issued today by Microsoft in its September Patch Tuesday release.
The 964 vulnerabilities, another record since Microsoft began using AI in the middle of the year to find holes, require customer action. Excluded are 174 third-party/open-source CVEs and 23 Chromium/Edge CVEs, as well as nine Microsoft mitigated vulnerabilities in applications like Azure, Entra, and Copilot Studio where no customer action is required.
Separately, developers and SAP admins whose staff use SAP’s ABAP (Advanced Business Application Programming) should take action to close a critical vulnerability, with a CVSS score of 10.0, in the Exte...