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Known vulnerabilities in Microsoft Windows 10 Version 21H2

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CVE Summary Score Published
CVE-2026-50373 Improper access control in Microsoft Windows Search Component allows an authorized attacker to elevate privileges… 7.8 High Jul 14, 2026
CVE-2026-50358 Use after free in Windows Media allows an authorized attacker to elevate privileges locally 7.0 High Jul 14, 2026
CVE-2026-50366 Null pointer dereference in Active Directory Domain Services allows an authorized attacker to deny service over a… 6.5 Medium Jul 14, 2026
CVE-2026-50335 Improper access control in Windows Operating Systems allows an authorized attacker to elevate privileges locally 7.8 High Jul 14, 2026
CVE-2026-50375 Heap-based buffer overflow in Windows DirectX allows an authorized attacker to elevate privileges locally 6.3 Medium Jul 14, 2026
CVE-2026-50348 Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Runtime allows an… 7.0 High Jul 14, 2026
CVE-2026-50390 Access of resource using incompatible type ('type confusion') in Windows Kernel allows an authorized attacker to elevate… 7.0 High Jul 14, 2026
CVE-2026-50452 Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Runtime allows an… 7.0 High Jul 14, 2026
CVE-2026-50357 Numeric truncation error in Windows Resilient File System (ReFS) allows an authorized attacker to execute code locally 7.8 High Jul 14, 2026
CVE-2026-50377 Windows Kernel Elevation of Privilege Vulnerability 5.5 Medium Jul 14, 2026
CVE-2026-50312 Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges… 4.7 Medium Jul 14, 2026
CVE-2026-50330 Heap-based buffer overflow in Remote Desktop Client allows an unauthorized attacker to elevate privileges over a network 7.5 High Jul 14, 2026
CVE-2026-50310 Integer overflow or wraparound in Windows Devices Human Interface allows an authorized attacker to disclose… 4.7 Medium Jul 14, 2026
CVE-2026-50430 Exposure of sensitive information to an unauthorized actor in Windows Push Notifications allows an authorized attacker… 5.5 Medium Jul 14, 2026
CVE-2026-50339 Exposure of sensitive information to an unauthorized actor in Windows Push Notifications allows an authorized attacker… 5.5 Medium Jul 14, 2026
CVE-2026-50434 Exposure of sensitive information to an unauthorized actor in Windows Push Notifications allows an authorized attacker… 5.5 Medium Jul 14, 2026
CVE-2026-50425 Use after free in Windows Internal System User Profile allows an authorized attacker to elevate privileges locally 7.8 High Jul 14, 2026
CVE-2026-50321 Concurrent execution using shared resource with improper synchronization ('race condition') in Windows USB Driver allows… 7.8 High Jul 14, 2026
CVE-2026-50347 Heap-based buffer overflow in Windows Data dll allows an unauthorized attacker to execute code locally 7.8 High Jul 14, 2026
CVE-2026-50343 Improper privilege management in Microsoft Install Service allows an authorized attacker to elevate privileges locally 7.8 High Jul 14, 2026
CVE-2026-50331 Use after free in Windows Application Model allows an authorized attacker to elevate privileges locally 7.8 High Jul 14, 2026
CVE-2026-50341 Buffer over-read in Windows NTFS allows an authorized attacker to disclose information locally 5.5 Medium Jul 14, 2026
CVE-2026-50407 Heap-based buffer overflow in Windows Resilient File System (ReFS) allows an authorized attacker to elevate privileges… 7.8 High Jul 14, 2026
CVE-2026-50380 Heap-based buffer overflow in Windows GDI+ allows an unauthorized attacker to execute code over a network 9.6 Critical Jul 14, 2026
CVE-2026-50313 Heap-based buffer overflow in Windows NTFS allows an unauthorized attacker to execute code locally 7.8 High Jul 14, 2026

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