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Known vulnerabilities in Microsoft Windows Server 2012

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CVE Summary Score Published
CVE-2026-50388 Out-of-bounds read in Windows NTFS allows an unauthorized attacker to execute code locally 7.8 High Jul 14, 2026
CVE-2026-50355 Stack-based buffer overflow in Active Directory Federation Services allows an unauthorized attacker to deny service over… 7.5 High Jul 14, 2026
CVE-2026-50366 Null pointer dereference in Active Directory Domain Services allows an authorized attacker to deny service over a… 6.5 Medium Jul 14, 2026
CVE-2026-50390 Access of resource using incompatible type ('type confusion') in Windows Kernel allows an authorized attacker to elevate… 7.0 High Jul 14, 2026
CVE-2026-50312 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-2026-50321 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-2026-50370 Heap-based buffer overflow in Windows DHCP Server allows an unauthorized attacker to execute code over an adjacent… 8.8 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-2026-50380 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
CVE-2026-50368 Stack-based buffer overflow in Active Directory Federation Services allows an unauthorized attacker to deny service over… 7.5 High Jul 14, 2026
CVE-2026-50419 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-2026-50386 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-2026-50328 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-2026-50332 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-2026-50325 Improper access control in Windows Win32K 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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