September 8, 2026—KB5122880 (OS Build 22621.7582)

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Windows Network File System Remote Code Execution Vulnerability

Heap-based buffer overflow in Windows Network File System allows an unauthorized attacker to execute code over a network...

Windows NTFS Remote Code Execution Vulnerability

Stack-based buffer overflow in Windows NTFS allows an unauthorized attacker to execute code over a network...

Windows HTTP Print Provider Remote Code Execution Vulnerability

Heap-based buffer overflow in Windows HTTP Print Provider allows an authorized attacker to execute code over a network...

Windows Services for NFS ONCRPC XDR Driver Remote Code Execution Vulnerability

Use after free in Windows Services for NFS ONCRPC XDR Driver allows an authorized attacker to execute code locally...

Microsoft SQL Server Remote Code Execution Vulnerability

Heap-based buffer overflow in SQL Server allows an authorized attacker to execute code over a network...

Skype for Business Remote Code Execution Vulnerability

External control of file name or path in Skype for Business allows an unauthorized attacker to execute code over a network...

Microsoft Exchange Server Remote Code Execution Vulnerability

Double free in Microsoft Exchange Server allows an unauthorized attacker to execute code over a network...

Windows DNS Server Remote Code Execution Vulnerability

Concurrent execution using shared resource with improper synchronization 'race condition' in DNS Server allows an unauthorized attacker to execute code over a network...

Microsoft SQL Server Remote Code Execution Vulnerability

Heap-based buffer overflow in SQL Server allows an unauthorized attacker to execute code over a network...

Microsoft Windows Media Foundation Remote Code Execution Vulnerability

Heap-based buffer overflow in Microsoft Windows Media Foundation allows an unauthorized attacker to execute code over a network...

Visual Studio Code Security Feature Bypass Vulnerability

Incomplete list of disallowed inputs in Visual Studio Code allows an unauthorized attacker to bypass a security feature locally...

Windows Event Logging Service Remote Code Execution Vulnerability

Out-of-bounds read in Windows Event Logging Service allows an unauthorized attacker to execute code over a network...

Windows DHCP Server Remote Code Execution Vulnerability

Stack-based buffer overflow in Windows DHCP Server allows an authorized attacker to execute code over an adjacent network...

Windows Internet Key Exchange (IKE) Protocol Extensions Remote Code Execution Vulnerability

Heap-based buffer overflow in Windows IKE Extension allows an authorized attacker to execute code over a network...

Microsoft Graphics Component Remote Code Execution Vulnerability

Heap-based buffer overflow in Microsoft Graphics Component allows an authorized attacker to execute code locally...

Microsoft Office Word Remote Code Execution Vulnerability

Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code over a network...

Microsoft Excel Remote Code Execution Vulnerability

Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally...

Microsoft Word Remote Code Execution Vulnerability

Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code over a network...

Microsoft Excel Remote Code Execution Vulnerability

Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally...