September 2023 Patch Tuesday by Microsoft Fixes Five Critical, Two Zero-Day Vulnerabilities

Microsoft’s Patch Tuesday for September 2023 has been released, addressing 59 security vulnerabilities. The update encompasses five critical vulnerabilities as well as two exploited zero-day vulnerabilities.

This month’s update includes the following vulnerability types: 

• 23 Remote Code Execution (RCE) Vulnerabilities


• 16 Elevation of Privilege (EoP) Vulnerabilities


• 9 Information Disclosure Vulnerabilities 


• 3 Denial-of-Service (DoS) Vulnerabilities 


• 3 Security Feature Bypass Vulnerabilities


• 3 Cross-Site Scripting (XSS) Vulnerabilities 


• 2 Spoofing Vulnerabilities 

In this blog post, we will outline the fixed vulnerabilities and guide …

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