Description of the security update for Microsoft Exchange Server Subscription Edition RTM: October 14, 2025 (KB5066366)

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Description of the security update for Microsoft Exchange Server 2019 CU14: October 14, 2025 (KB5066368)

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Windows Bluetooth Service Elevation of Privilege Vulnerability

Double free in Windows Bluetooth Service allows an authorized attacker to elevate privileges locally...

Windows Management Services Elevation of Privilege Vulnerability

Concurrent execution using shared resource with improper synchronization 'race condition' in Windows Management Services allows an authorized attacker to elevate privileges locally...

Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability

Improper access control in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally...

Windows Agere Modem Driver Elevation of Privilege Vulnerability

Microsoft is aware of vulnerabilities in the third party Agere Modem driver that ships natively with supported Windows operating systems. This is an announcement of the upcoming removal of ltmdm64.sys driver. The driver has been removed in the October cumulative update. Fax modem hardware depende...

Configuration Manager Elevation of Privilege Vulnerability

Improper neutralization of special elements used in an sql command 'sql injection' in Microsoft Configuration Manager allows an unauthorized attacker to elevate privileges over an adjacent network...

Azure Local Elevation of Privilege Vulnerability

Heap-based buffer overflow in Azure Local allows an authorized attacker to elevate privileges locally...

Windows PrintWorkflowUserSvc Elevation of Privilege Vulnerability

Use after free in Windows PrintWorkflowUserSvc allows an authorized attacker to elevate privileges locally...

Windows Hyper-V Elevation of Privilege Vulnerability

Concurrent execution using shared resource with improper synchronization 'race condition' in Windows Hyper-V allows an authorized attacker to elevate privileges locally...

Windows Bluetooth Service Elevation of Privilege Vulnerability

Use after free in Windows Bluetooth Service allows an authorized attacker to elevate privileges locally...

Xbox Gaming Services Elevation of Privilege Vulnerability

Improper link resolution before file access 'link following' in XBox Gaming Services allows an authorized attacker to elevate privileges locally...

Windows Authentication Elevation of Privilege Vulnerability

Improper validation of specified type of input in Windows Authentication Methods allows an authorized attacker to elevate privileges locally...

Windows DWM Core Library Elevation of Privilege Vulnerability

Heap-based buffer overflow in Windows DWM Core Library allows an authorized attacker to elevate privileges locally...

Network Connection Status Indicator (NCSI) Elevation of Privilege Vulnerability

Improper access control in Network Connection Status Indicator NCSI allows an authorized attacker to elevate privileges locally...

Windows Resilient File System (ReFS) Deduplication Service Elevation of Privilege Vulnerability

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Microsoft Exchange Server Elevation of Privilege Vulnerability

Weak authentication in Microsoft Exchange Server allows an authorized attacker to elevate privileges over a network...

Microsoft Graphics Component Elevation of Privilege Vulnerability

Use after free in Microsoft Graphics Component allows an authorized attacker to elevate privileges over a network...

Windows Speech Runtime Elevation of Privilege Vulnerability

Improper input validation in Microsoft Windows Speech allows an authorized attacker to elevate privileges locally...

Windows Resilient File System (ReFS) Elevation of Privilege Vulnerability

Concurrent execution using shared resource with improper synchronization 'race condition' in Windows Resilient File System ReFS allows an unauthorized attacker to elevate privileges locally...