Patch Tuesday - September 2025

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By: RedLegg Blog

*Important note: These are not the only vulnerabilities that were recently released; however, these are the vulnerabilities RedLegg has identified as critical and require immediate attention.

CRITICAL VULNERABILITIES

 

Windows NTLM

CVE-2025-54918

Windows NTLM Elevation of Privilege Vulnerability

Critical

Graphics Kernel

CVE-2025-55226

Graphics Kernel Remote Code Execution Vulnerability

Critical

Windows Win32K - GRFX

CVE-2025-55228

Windows Graphics Component Remote Code Execution Vulnerability

Critical

Graphics Kernel

CVE-2025-55236

Graphics Kernel Remote Code Execution Vulnerability

Critical

Windows Imaging Component

CVE-2025-53799

Windows Imaging Component Information Disclosure Vulnerability

Critical

Microsoft Graphics Component

CVE-2025-53800

Windows Graphics Component Elevation of Privilege Vulnerability

Critical

Microsoft Office

CVE-2025-54910 

Microsoft Office Remote Code Execution Vulnerability

Critical

Windows Win32K - GRFX

CVE-2025-55224

Windows Hyper-V Remote Code Execution Vulnerability

Critical