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Known vulnerabilities in Microsoft Windows 10 Version 21H2

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CVE Summary Score Published
CVE-2026-96860 Out-of-bounds read in Windows USB Print Driver allows an authorized attacker to disclose information locally 5.5 Medium Oct 13, 2026
CVE-2026-96862 Out-of-bounds read in Windows Spaceport.sys allows an authorized attacker to elevate privileges locally 7.8 High Oct 13, 2026
CVE-2026-96855 Improper access control in Windows Modern Device Management (MDM) allows an authorized attacker to perform tampering… 5.5 Medium Oct 13, 2026
CVE-2026-96865 Exposure of sensitive system information to an unauthorized control sphere in Windows Secure Kernel Mode allows an… 5.6 Medium Oct 13, 2026
CVE-2026-96309 Use after free in Windows Subsystem for Linux allows an authorized attacker to elevate privileges locally 7.8 High Oct 13, 2026
CVE-2026-96318 Heap-based buffer overflow in Windows Resume allows an authorized attacker to elevate privileges locally 7.8 High Oct 13, 2026
CVE-2026-96319 Use after free in Windows USB Print Driver allows an authorized attacker to elevate privileges locally 7.0 High Oct 13, 2026
CVE-2026-96312 Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges locally 7.8 High Oct 13, 2026
CVE-2026-96848 Buffer over-read in Windows Win32 Kernel Subsystem allows an authorized attacker to disclose information locally 5.5 Medium Oct 13, 2026
CVE-2026-96313 Missing authentication for critical function in Windows Push Notifications allows an authorized attacker to elevate… 7.0 High Oct 13, 2026
CVE-2026-96314 Out-of-bounds read in Windows Audio Service allows an authorized attacker to disclose information locally 5.5 Medium Oct 13, 2026
CVE-2026-96851 Buffer over-read in Windows Management Instrumentation allows an authorized attacker to disclose information locally 5.5 Medium Oct 13, 2026
CVE-2026-96315 Missing authorization in Windows Overlay Filter allows an authorized attacker to perform tampering locally 5.5 Medium Oct 13, 2026
CVE-2026-96316 Improper access control in Windows Routing and Remote Access Service (RRAS) allows an authorized attacker to perform… 5.5 Medium Oct 13, 2026
CVE-2026-96317 Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally 7.8 High Oct 13, 2026
CVE-2026-96244 Use after free in Windows Internal System User Profile allows an authorized attacker to elevate privileges locally 7.8 High Oct 13, 2026
CVE-2026-96245 Out-of-bounds read in Windows Routing and Remote Access Service (RRAS) allows an unauthorized attacker to disclose… 7.5 High Oct 13, 2026
CVE-2026-96308 Use after free in Windows Installer allows an authorized attacker to elevate privileges locally 7.8 High Oct 13, 2026
CVE-2026-96246 Out-of-bounds read in Network Policy Server (NPS) allows an unauthorized attacker to disclose information over a network 7.5 High Oct 13, 2026
CVE-2026-96247 Use of uninitialized resource in Windows Kernel-Mode Drivers allows an authorized attacker to disclose information… 5.5 Medium Oct 13, 2026
CVE-2026-96302 Use after free in Windows Installer allows an authorized attacker to elevate privileges locally 7.0 High Oct 13, 2026
CVE-2026-96311 Improper authorization in Windows Network List Service allows an authorized attacker to perform tampering locally 5.5 Medium Oct 13, 2026
CVE-2026-96305 Use after free in Windows Installer allows an authorized attacker to elevate privileges locally 7.0 High Oct 13, 2026
CVE-2026-96306 Out-of-bounds read in Windows Sysmain Service allows an authorized attacker to elevate privileges locally 7.8 High Oct 13, 2026
CVE-2026-96307 Use after free in Windows Installer allows an authorized attacker to elevate privileges locally 7.0 High Oct 13, 2026

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