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Known vulnerabilities in Microsoft Windows Server 2022

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CVE Summary Score Published
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-2026-50328 Uncaught exception in Windows Server Update Service allows an unauthorized attacker to perform tampering over a network 7.5 High Jul 14, 2026
CVE-2026-50304 Stack-based buffer overflow in Active Directory Federation Services allows an unauthorized attacker to deny service over… 7.5 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-2026-50303 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-2026-50384 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
CVE-2026-50354 Windows Kernel Elevation of Privilege Vulnerability 7.1 High Jul 14, 2026
CVE-2026-50316 Insertion of sensitive information into log file in Windows Kernel allows an authorized attacker to disclose information… 5.5 Medium Jul 14, 2026
CVE-2026-50298 Integer overflow or wraparound in Windows Spaceport.sys allows an unauthorized attacker to elevate privileges with a… 6.8 Medium Jul 14, 2026
CVE-2026-49807 Exposure of sensitive information to an unauthorized actor in Windows DirectX allows an unauthorized attacker to… 6.2 Medium Jul 14, 2026
CVE-2026-50318 Stack-based buffer overflow in Windows Resilient File System (ReFS) allows an authorized attacker to elevate… 7.8 High Jul 14, 2026
CVE-2026-50351 Improper access control in Windows Audio Compression Manager (ACM) allows an authorized attacker to elevate privileges… 7.8 High Jul 14, 2026

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