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Known vulnerabilities in Microsoft Windows Server 2022

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CVE Summary Score Published
CVE-2026-50666 Use after free in Windows Remote Access Connection Manager allows an authorized attacker to elevate privileges over a… 8.8 High Jul 14, 2026
CVE-2026-50667 Concurrent execution using shared resource with improper synchronization ('race condition') in Windows NTFS allows an… 7.8 High Jul 14, 2026
CVE-2026-50661 Protection mechanism failure in Windows BitLocker allows an unauthorized attacker to bypass a security feature with a… 6.1 Medium Jul 14, 2026
CVE-2026-50655 Heap-based buffer overflow in Windows Media allows an unauthorized attacker to execute code locally 7.8 High Jul 14, 2026
CVE-2026-50647 Loop with unreachable exit condition ('infinite loop') in Active Directory Federation Services (AD FS) allows an… 7.5 High Jul 14, 2026
CVE-2026-50518 Heap-based buffer overflow in Windows DHCP Server allows an unauthorized attacker to execute code over a network 9.8 Critical Jul 14, 2026
CVE-2026-50496 Out-of-bounds read in Windows Network Policy Server SNMP allows an unauthorized attacker to disclose information over… 7.5 High Jul 14, 2026
CVE-2026-50504 Buffer over-read in Remote Desktop Client allows an unauthorized attacker to disclose information over a network 6.5 Medium Jul 14, 2026
CVE-2026-50497 Off-by-one error in Windows Remote Desktop Protocol allows an unauthorized attacker to disclose information over a… 6.5 Medium Jul 14, 2026
CVE-2026-50491 Out-of-bounds read in Code Integrity DLL (ci.dll) allows an authorized attacker to elevate privileges locally 7.0 High Jul 14, 2026
CVE-2026-50492 Heap-based buffer overflow in Windows Resilient File System (ReFS) allows an unauthorized attacker to execute code… 6.8 Medium Jul 14, 2026
CVE-2026-50505 Use after free in Windows Message Queuing allows an authorized attacker to execute code over a network 7.5 High Jul 14, 2026
CVE-2026-50498 Windows Universal Disk Format File System Driver (UDFS) Elevation of Privilege Vulnerability 7.8 High Jul 14, 2026
CVE-2026-50490 Use after free in Windows Installer allows an authorized attacker to elevate privileges locally 7.0 High Jul 14, 2026
CVE-2026-50489 Heap-based buffer overflow in Windows Win32K allows an authorized attacker to elevate privileges locally 8.8 High Jul 14, 2026
CVE-2026-50494 Heap-based buffer overflow in Windows NTFS allows an authorized attacker to execute code locally 7.8 High Jul 14, 2026
CVE-2026-50499 Heap-based buffer overflow in Windows Print Spooler Components allows an authorized attacker to elevate privileges… 7.8 High Jul 14, 2026
CVE-2026-50500 Use after free in Windows Netlogon allows an authorized attacker to elevate privileges over a network 7.5 High Jul 14, 2026
CVE-2026-50485 Buffer over-read in Windows Hyper-V allows an authorized attacker to deny service over an adjacent network 4.5 Medium Jul 14, 2026
CVE-2026-50502 Insufficient granularity of access control in Windows Event Logging Service allows an authorized attacker to execute… 8.0 High Jul 14, 2026
CVE-2026-50484 Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges locally 7.8 High Jul 14, 2026
CVE-2026-50493 Use after free in Windows Graphics Kernel allows an authorized attacker to elevate privileges locally 7.8 High Jul 14, 2026
CVE-2026-50495 Improper access control in Microsoft Windows DNS allows an authorized attacker to perform tampering locally 6.1 Medium Jul 14, 2026
CVE-2026-50482 Heap-based buffer overflow in Windows NTFS allows an authorized attacker to execute code locally 7.3 High Jul 14, 2026
CVE-2026-50479 Untrusted pointer dereference in Windows USB Hub Driver allows an authorized attacker to elevate privileges locally 7.8 High Jul 14, 2026

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