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Known vulnerabilities in Microsoft Windows Server 2012 R2 (Server Core installation)

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CVE Summary Score Published
CVE-2026-61366 Double free in Windows Network Connection Broker allows an authorized attacker to elevate privileges locally 7.0 High Aug 11, 2026
CVE-2026-61367 Missing authentication for critical function in Windows Remote Desktop Services allows an authorized attacker to elevate… 7.8 High Aug 11, 2026
CVE-2026-61350 Buffer over-read in Windows NTFS allows an unauthorized attacker to disclose information with a physical attack 4.6 Medium Aug 11, 2026
CVE-2026-61348 Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges… 7.0 High Aug 11, 2026
CVE-2026-61347 Buffer over-read in Windows Event Logging Service allows an authorized attacker to disclose information locally 5.5 Medium Aug 11, 2026
CVE-2026-61353 Heap-based buffer overflow in Windows Telephony Service allows an authorized attacker to elevate privileges locally 7.8 High Aug 11, 2026
CVE-2026-61345 Null pointer dereference in Microsoft Remote Registry Service allows an authorized attacker to deny service over a… 6.5 Medium Aug 11, 2026
CVE-2026-59138 Null pointer dereference in Microsoft Remote Registry Service allows an authorized attacker to deny service over a… 6.5 Medium Aug 11, 2026
CVE-2026-59137 Use of uninitialized resource in Windows Event Logging Service allows an authorized attacker to disclose information… 5.5 Medium Aug 11, 2026
CVE-2026-59136 Use of uninitialized resource in Microsoft COM for Windows allows an authorized attacker to disclose information locally 5.5 Medium Aug 11, 2026
CVE-2026-59134 Heap-based buffer overflow in Remote Desktop Client allows an unauthorized attacker to execute code over a network 7.5 High Aug 11, 2026
CVE-2026-59135 Weak authentication in Microsoft Windows Search Component allows an authorized attacker to disclose information locally 5.5 Medium Aug 11, 2026
CVE-2026-59130 No cwe for this issue in AMD Zen allows an authorized attacker to disclose information locally 5.6 Medium Aug 11, 2026
CVE-2026-59132 Null pointer dereference in Windows TCP/IP allows an unauthorized attacker to deny service over a network 7.5 High Aug 11, 2026
CVE-2026-59127 Integer overflow or wraparound in Windows Installer allows an authorized attacker to elevate privileges locally 7.8 High Aug 11, 2026
CVE-2026-59128 Out-of-bounds read in Windows Encrypting File System (EFS) allows an authorized attacker to disclose information locally 5.5 Medium Aug 11, 2026
CVE-2026-54984 Heap-based buffer overflow in Windows Imaging Component allows an unauthorized attacker to execute code locally 7.8 High Aug 11, 2026
CVE-2026-49179 Improper neutralization of special elements used in a command ('command injection') in Windows Active Directory allows… 8.8 High Aug 11, 2026
CVE-2026-50472 Heap-based buffer overflow in Windows LUAFV allows an authorized attacker to elevate privileges locally 7.0 High Aug 11, 2026
CVE-2026-58638 Missing cryptographic step in Windows Boot Loader allows an authorized attacker to bypass a security feature locally 6.0 Medium Jul 14, 2026
CVE-2026-58637 Use after free in Windows Client-Side Caching (CSC) Service allows an authorized attacker to elevate privileges locally 7.0 High Jul 14, 2026
CVE-2026-58629 Use after free in Windows DirectX allows an authorized attacker to elevate privileges locally 7.0 High Jul 14, 2026
CVE-2026-58627 Uncontrolled resource consumption in Windows DHCP Server allows an unauthorized attacker to deny service over a network 7.5 High Jul 14, 2026
CVE-2026-58594 Integer overflow or wraparound in Windows RDP allows an unauthorized attacker to execute code over a network 8.8 High Jul 14, 2026
CVE-2026-58545 Improper access control in Windows Kernel allows an authorized attacker to bypass a security feature locally 5.5 Medium Jul 14, 2026

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