Known vulnerabilities in Microsoft Windows Server 2012 R2 (Server Core installation)
Is your version affected?
CVE list
| CVE | Summary | Score | Published |
|---|---|---|---|
| CVE-2026-42903 | Null pointer dereference in Windows Kerberos allows an authorized attacker to deny service over a network | 6.5 Medium | Jun 9, 2026 |
| CVE-2026-42836 | Concurrent execution using shared resource with improper synchronization ('race condition') in Function Discovery… | 7.0 High | Jun 9, 2026 |
| CVE-2026-50507 | Missing authentication for critical function in Windows BitLocker allows an unauthorized attacker to bypass a security… | 6.8 Medium | Jun 9, 2026 |
| CVE-2026-48574 | Heap-based buffer overflow in Windows Media allows an unauthorized attacker to execute code locally | 7.8 High | Jun 9, 2026 |
| CVE-2026-47656 | Protection mechanism failure in Windows Boot Manager allows an authorized attacker to bypass a security feature locally | 7.9 High | Jun 9, 2026 |
| CVE-2026-45658 | Improper access control in Windows BitLocker allows an authorized attacker to bypass a security feature locally | 7.8 High | Jun 9, 2026 |
| CVE-2026-45653 | Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges locally | 7.0 High | Jun 9, 2026 |
| CVE-2026-45608 | Out-of-bounds read in Windows DHCP Client allows an unauthorized attacker to disclose information locally | 6.8 Medium | Jun 9, 2026 |
| CVE-2026-45603 | Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Ancillary… | 7.0 High | Jun 9, 2026 |
| CVE-2026-45638 | Heap-based buffer overflow in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate… | 7.8 High | Jun 9, 2026 |
| CVE-2026-45602 | No cwe for this issue in Windows DHCP Server allows an unauthorized attacker to perform tampering over a network | 9.1 Critical | Jun 9, 2026 |
| CVE-2026-45635 | Access of resource using incompatible type ('type confusion') in Universal Plug and Play (upnp.dll) allows an… | 8.1 High | Jun 9, 2026 |
| CVE-2026-45596 | Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges… | 7.0 High | Jun 9, 2026 |
| CVE-2026-45636 | Heap-based buffer overflow in Windows NTFS allows an unauthorized attacker to execute code locally | 7.8 High | Jun 9, 2026 |
| CVE-2026-45598 | Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Ancillary… | 7.0 High | Jun 9, 2026 |
| CVE-2026-45601 | Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Ancillary… | 7.0 High | Jun 9, 2026 |
| CVE-2026-45599 | Use after free in Universal Plug and Play (upnp.dll) allows an unauthorized attacker to execute code over a network | 8.1 High | Jun 9, 2026 |
| CVE-2026-45595 | Protection mechanism failure in Windows Mark of the Web (MOTW) allows an unauthorized attacker to bypass a security… | 5.4 Medium | Jun 9, 2026 |
| CVE-2026-45592 | Integer overflow or wraparound in Windows Internet (wininet.dll) allows an authorized attacker to elevate privileges… | 7.8 High | Jun 9, 2026 |
| CVE-2026-45586 | Improper link resolution before file access ('link following') in Windows Collaborative Translation Framework allows… | 7.8 High | Jun 9, 2026 |
| CVE-2026-50508 | Exposure of sensitive information to an unauthorized actor in Windows NTLM allows an unauthorized attacker to perform… | 6.5 Medium | Jun 9, 2026 |
| CVE-2026-48578 | Improper access control in Windows Secure Boot allows an authorized attacker to elevate privileges locally | 7.9 High | Jun 9, 2026 |
| CVE-2026-48575 | Protection mechanism failure in Windows Secure Boot allows an authorized attacker to bypass a security feature locally | 7.9 High | Jun 9, 2026 |
| CVE-2026-48576 | No cwe for this issue in Windows Secure Boot allows an authorized attacker to bypass a security feature locally | 7.9 High | Jun 9, 2026 |
| CVE-2026-48570 | Protection mechanism failure in Windows Secure Boot allows an authorized attacker to bypass a security feature locally | 7.9 High | Jun 9, 2026 |
Other Microsoft products
Windows Server 2019 5745
Windows Server 2019 (Server Core installation) 5648
Windows 10 Version 1809 5349
Windows Server 2022 5112
Windows Server 2016 5051
Windows Server 2016 (Server Core installation) 4847
Windows 10 Version 21H2 4539
Windows 10 Version 1607 4535
Windows Server 2012 R2 4103
Windows 10 Version 22H2 4041
Windows Server 2012 3865
Windows Server 2012 (Server Core installation) 3732