Known vulnerabilities in Microsoft Windows Server 2012 R2 (Server Core installation)
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CVE list
| CVE | Summary | Score | Published |
|---|---|---|---|
| CVE-2026-83847 | Heap-based buffer overflow in Microsoft Account allows an authorized attacker to elevate privileges locally | 7.8 High | Oct 13, 2026 |
| CVE-2026-83848 | Untrusted pointer dereference in Windows COM+ Event System Service allows an authorized attacker to elevate privileges… | 7.8 High | Oct 13, 2026 |
| CVE-2026-83843 | Out-of-bounds read in Windows Internet Key Exchange (IKE) Protocol allows an unauthorized attacker to deny service… | 7.5 High | Oct 13, 2026 |
| CVE-2026-83787 | Insufficient verification of data authenticity in Windows DHCP Server allows an authorized attacker to bypass a security… | 5.5 Medium | Oct 13, 2026 |
| CVE-2026-83798 | Improper verification of cryptographic signature in Windows Update Stack allows an authorized attacker to perform… | 5.5 Medium | Oct 13, 2026 |
| CVE-2026-83782 | Heap-based buffer overflow in Windows Shell allows an unauthorized attacker to execute code over a network | 9.8 Critical | Oct 13, 2026 |
| CVE-2026-83784 | Absolute path traversal in Windows Encrypting File System (EFS) allows an authorized attacker to elevate privileges over… | 8.8 High | Oct 13, 2026 |
| CVE-2026-83833 | Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges locally | 7.8 High | Oct 13, 2026 |
| CVE-2026-83758 | Heap-based buffer overflow in Windows Error Reporting allows an authorized attacker to execute code locally | 7.8 High | Oct 13, 2026 |
| CVE-2026-83779 | Heap-based buffer overflow in Windows Installer allows an authorized attacker to elevate privileges locally | 7.8 High | Oct 13, 2026 |
| CVE-2026-83775 | Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Installer… | 7.0 High | Oct 13, 2026 |
| CVE-2026-83722 | Use after free in Microsoft Local Security Authority Server (lsasrv) allows an authorized attacker to elevate privileges… | 7.0 High | Oct 13, 2026 |
| CVE-2026-83733 | Out-of-bounds read in Windows Print Spooler Components allows an authorized attacker to disclose information locally | 5.5 Medium | Oct 13, 2026 |
| CVE-2026-83713 | Out-of-bounds read in Windows Universal Disk Format File System Driver (UDFS) allows an authorized attacker to… | 5.5 Medium | Oct 13, 2026 |
| CVE-2026-83723 | Use of uninitialized resource in Windows Event Logging Service allows an authorized attacker to disclose information… | 5.5 Medium | Oct 13, 2026 |
| CVE-2026-83748 | Heap-based buffer overflow in Windows Error Reporting allows an unauthorized attacker to execute code over a network | 9.8 Critical | Oct 13, 2026 |
| CVE-2026-83715 | Missing authentication for critical function in Windows Error Reporting allows an authorized attacker to perform… | 7.1 High | Oct 13, 2026 |
| CVE-2026-83738 | Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges… | 7.0 High | Oct 13, 2026 |
| CVE-2026-83727 | Buffer over-read in Windows Overlay Filter allows an authorized attacker to elevate privileges locally | 7.8 High | Oct 13, 2026 |
| CVE-2026-83691 | Heap-based buffer overflow in Windows DHCP Server allows an authorized attacker to elevate privileges locally | 7.8 High | Oct 13, 2026 |
| CVE-2026-83708 | Stack-based buffer overflow in Windows Installer allows an authorized attacker to elevate privileges locally | 7.0 High | Oct 13, 2026 |
| CVE-2026-83699 | Stack-based buffer overflow in Windows Client-Side Caching (CSC) Service allows an authorized attacker to elevate… | 7.8 High | Oct 13, 2026 |
| CVE-2026-83693 | Heap-based buffer overflow in Windows Error Reporting allows an unauthorized attacker to execute code over a network | 9.8 Critical | Oct 13, 2026 |
| CVE-2026-83694 | Out-of-bounds read in Windows Volume Manager Extension Driver allows an authorized attacker to elevate privileges… | 7.0 High | Oct 13, 2026 |
| CVE-2026-83704 | Improper link resolution before file access ('link following') in Microsoft Windows Search Component allows an… | 7.8 High | Oct 13, 2026 |
Other Microsoft products
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Windows 10 Version 22H2 4041
Windows Server 2012 3865
Windows Server 2012 (Server Core installation) 3732