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Known vulnerabilities in Microsoft Windows 10 Version 21H2

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CVE Summary Score Published
CVE-2026-50326 Use after free in Windows Unified Consent System allows an authorized attacker to elevate privileges locally 7.8 High Jul 14, 2026
CVE-2026-50307 Use after free in Windows TCP/IP allows an authorized attacker to elevate privileges locally 7.0 High Jul 14, 2026
CVE-2026-50419 Exposure of sensitive information to an unauthorized actor in Windows Kernel allows an authorized attacker to disclose… 3.3 Low Jul 14, 2026
CVE-2026-50400 Stack-based buffer overflow in Windows App Installer allows an authorized attacker to elevate privileges locally 7.8 High Jul 14, 2026
CVE-2026-50309 Heap-based buffer overflow in Windows NTFS allows an authorized attacker to execute code locally 7.8 High Jul 14, 2026
CVE-2026-50337 Incorrect type conversion or cast in Windows Notification allows an authorized attacker to elevate privileges locally 7.8 High Jul 14, 2026
CVE-2026-50386 Heap-based buffer overflow in Windows NTFS allows an unauthorized attacker to execute code locally 7.8 High Jul 14, 2026
CVE-2026-50412 Stack-based buffer overflow in Windows NTFS allows an authorized attacker to elevate privileges locally 7.8 High Jul 14, 2026
CVE-2026-50306 Use after free in Windows TCP/IP allows an authorized attacker to elevate privileges locally 7.8 High Jul 14, 2026
CVE-2026-50360 Incorrect implementation of authentication algorithm in Windows SMB Server allows an authorized attacker to elevate… 8.8 High Jul 14, 2026
CVE-2026-50329 Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally 7.8 High Jul 14, 2026
CVE-2026-50363 Heap-based buffer overflow in Windows Push Notifications allows an authorized attacker to elevate privileges locally 7.8 High Jul 14, 2026
CVE-2026-50332 Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges locally 7.8 High Jul 14, 2026
CVE-2026-50372 Buffer over-read in Windows Redirected Drive Buffering allows an authorized attacker to elevate privileges locally 7.0 High Jul 14, 2026
CVE-2026-50302 Improper certificate validation in Windows Cryptographic Services allows an unauthorized attacker to bypass a security… 4.2 Medium Jul 14, 2026
CVE-2026-50364 Improper link resolution before file access ('link following') in Windows Server Backup allows an authorized attacker to… 7.3 High Jul 14, 2026
CVE-2026-50303 Use of a cryptographic primitive with a risky implementation in Windows Key Guard allows an authorized attacker to… 5.5 Medium Jul 14, 2026
CVE-2026-50300 Integer underflow (wrap or wraparound) in Windows Kernel allows an authorized attacker to disclose information locally 5.5 Medium Jul 14, 2026
CVE-2026-50381 Access of resource using incompatible type ('type confusion') in Composite Image File System Driver allows an authorized… 5.5 Medium Jul 14, 2026
CVE-2026-50350 Exposure of sensitive information to an unauthorized actor in Windows Trusted Runtime Interface Driver allows an… 5.5 Medium Jul 14, 2026
CVE-2026-50384 Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Clip Service… 7.0 High Jul 14, 2026
CVE-2026-50356 Concurrent execution using shared resource with improper synchronization ('race condition') in Microsoft Windows App… 7.0 High Jul 14, 2026
CVE-2026-50325 Improper access control in Windows Win32K allows an authorized attacker to elevate privileges locally 7.0 High Jul 14, 2026
CVE-2026-50296 Use after free in Graphics Kernel allows an authorized attacker to elevate privileges locally 7.0 High Jul 14, 2026
CVE-2026-50297 Improper access control in Windows Win32K allows an authorized attacker to elevate privileges locally 7.0 High Jul 14, 2026

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