Microsoft Windows Server 2012 R2
3028 CVEs affecting Microsoft Windows Server 2012 R2. Latest disclosed: 2026-08-19. Critical: 88, High: 2100.
| CVE | Severity | Score | Published | Summary |
|---|---|---|---|---|
CVE-2020-1467 | Critical | 10.0 | 2020-08-17 | An elevation of privilege vulnerability exists when Windows improperly handles hard links. An attacker who successfully exploited this vulnerability could over… |
CVE-2026-57092 | Critical | 9.9 | 2026-07-14 | Use after free in Windows VMSwitch allows an authorized attacker to elevate privileges over a network. |
CVE-2021-26424 | Critical | 9.9 | 2021-08-12 | Windows TCP/IP Remote Code Execution Vulnerability |
CVE-2021-28476 | Critical | 9.9 | 2021-05-11 | Windows Hyper-V Remote Code Execution Vulnerability |
CVE-2026-65791 | Critical | 9.8 | 2026-08-11 | Heap-based buffer overflow in Windows iSCSI Target Service allows an unauthorized attacker to execute code over a network. |
CVE-2026-62893 | Critical | 9.8 | 2026-08-11 | Use after free in Windows Deployment Services allows an unauthorized attacker to execute code over a network. |
CVE-2026-62878 | Critical | 9.8 | 2026-08-11 | Stack-based buffer overflow in Windows DNS allows an unauthorized attacker to execute code over a network. |
CVE-2026-56190 | Critical | 9.8 | 2026-07-14 | Use of uninitialized resource in Windows RDP allows an unauthorized attacker to execute code over a network. |
CVE-2026-56188 | Critical | 9.8 | 2026-07-14 | Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Server Network driver allows an unauthorized attacker to… |
CVE-2026-56159 | Critical | 9.8 | 2026-07-14 | Heap-based buffer overflow in Windows DHCP Server allows an unauthorized attacker to execute code over a network. |
CVE-2026-50518 | Critical | 9.8 | 2026-07-14 | Heap-based buffer overflow in Windows DHCP Server allows an unauthorized attacker to execute code over a network. |
CVE-2026-50447 | Critical | 9.8 | 2026-07-14 | Heap-based buffer overflow in Windows Message Queuing allows an unauthorized attacker to execute code over a network. |
CVE-2026-42990 | Critical | 9.8 | 2026-07-14 | Heap-based buffer overflow in SQL Server ODBC driver allows an unauthorized attacker to execute code over a network. |
CVE-2026-47291 | Critical | 9.8 | 2026-06-09 | Integer overflow or wraparound in Windows HTTP.sys allows an unauthorized attacker to execute code over a network. |
CVE-2026-44815 | Critical | 9.8 | 2026-06-09 | Stack-based buffer overflow in Windows DHCP Client allows an unauthorized attacker to execute code over a network. |
CVE-2026-41089 | Critical | 9.8 | 2026-05-12 | Stack-based buffer overflow in Windows Netlogon allows an unauthorized attacker to execute code over a network. |
CVE-2025-60724 | Critical | 9.8 | 2025-11-11 | Heap-based buffer overflow in Microsoft Graphics Component allows an unauthorized attacker to execute code over a network. |
CVE-2025-59287 | Critical | 9.8 | 2025-10-14 | Deserialization of untrusted data in Windows Server Update Service allows an unauthorized attacker to execute code over a network. |
CVE-2025-53766 | Critical | 9.8 | 2025-08-12 | Heap-based buffer overflow in Windows GDI+ allows an unauthorized attacker to execute code over a network. |
CVE-2025-47981 | Critical | 9.8 | 2025-07-08 | Heap-based buffer overflow in Windows SPNEGO Extended Negotiation allows an unauthorized attacker to execute code over a network. |