Microsoft Windows Server 2012 R2 (Server Core Installation)

2710 CVEs affecting Microsoft Windows Server 2012 R2 (Server Core Installation). Latest disclosed: 2026-07-14. Critical: 83, High: 1909.

Top CVEs affecting Microsoft Windows Server 2012 R2 (Server Core Installation)
CVESeverityScorePublishedSummary
CVE-2020-1467Critical10.02020-08-17An elevation of privilege vulnerability exists when Windows improperly handles hard links. An attacker who successfully exploited this vulnerability could over…
CVE-2026-57092Critical9.92026-07-14Use after free in Windows VMSwitch allows an authorized attacker to elevate privileges over a network.
CVE-2021-26424Critical9.92021-08-12Windows TCP/IP Remote Code Execution Vulnerability
CVE-2021-28476Critical9.92021-05-11Windows Hyper-V Remote Code Execution Vulnerability
CVE-2026-56190Critical9.82026-07-14Use of uninitialized resource in Windows RDP allows an unauthorized attacker to execute code over a network.
CVE-2026-56188Critical9.82026-07-14Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Server Network driver allows an unauthorized attacker to…
CVE-2026-56159Critical9.82026-07-14Heap-based buffer overflow in Windows DHCP Server allows an unauthorized attacker to execute code over a network.
CVE-2026-50518Critical9.82026-07-14Heap-based buffer overflow in Windows DHCP Server allows an unauthorized attacker to execute code over a network.
CVE-2026-50447Critical9.82026-07-14Heap-based buffer overflow in Windows Message Queuing allows an unauthorized attacker to execute code over a network.
CVE-2026-42990Critical9.82026-07-14Heap-based buffer overflow in SQL Server ODBC driver allows an unauthorized attacker to execute code over a network.
CVE-2026-47291Critical9.82026-06-09Integer overflow or wraparound in Windows HTTP.sys allows an unauthorized attacker to execute code over a network.
CVE-2026-44815Critical9.82026-06-09Stack-based buffer overflow in Windows DHCP Client allows an unauthorized attacker to execute code over a network.
CVE-2026-41089Critical9.82026-05-12Stack-based buffer overflow in Windows Netlogon allows an unauthorized attacker to execute code over a network.
CVE-2025-60724Critical9.82025-11-11Heap-based buffer overflow in Microsoft Graphics Component allows an unauthorized attacker to execute code over a network.
CVE-2025-59287Critical9.82025-10-14Deserialization of untrusted data in Windows Server Update Service allows an unauthorized attacker to execute code over a network.
CVE-2025-53766Critical9.82025-08-12Heap-based buffer overflow in Windows GDI+ allows an unauthorized attacker to execute code over a network.
CVE-2025-47981Critical9.82025-07-08Heap-based buffer overflow in Windows SPNEGO Extended Negotiation allows an unauthorized attacker to execute code over a network.
CVE-2025-21307Critical9.82025-01-14Windows Reliable Multicast Transport Driver (RMCAST) Remote Code Execution Vulnerability
CVE-2025-21298Critical9.82025-01-14Windows OLE Remote Code Execution Vulnerability
CVE-2024-49112Critical9.82024-12-12Windows Lightweight Directory Access Protocol (LDAP) Remote Code Execution Vulnerability