Known vulnerabilities in Microsoft Windows Server 2025 (Server Core installation)
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CVE list
| CVE | Summary | Score | Published |
|---|---|---|---|
| CVE-2026-83685 | Buffer over-read in Windows IKE Extension allows an authorized attacker to deny service over a network | 6.5 Medium | Oct 13, 2026 |
| CVE-2026-83703 | Out-of-bounds read in Windows Wi-Fi Driver allows an unauthorized attacker to deny service over an adjacent network | 6.5 Medium | Oct 13, 2026 |
| CVE-2026-83686 | Out-of-bounds read in Microsoft Windows Search Component allows an authorized attacker to disclose information locally | 5.5 Medium | Oct 13, 2026 |
| CVE-2026-83695 | Use of uninitialized resource in Windows Event Logging Service allows an authorized attacker to disclose information… | 5.5 Medium | Oct 13, 2026 |
| CVE-2026-83696 | Use after free in Windows Cloud Files Mini Filter Driver allows an authorized attacker to elevate privileges locally | 7.0 High | Oct 13, 2026 |
| CVE-2026-83714 | Use of uninitialized resource in Windows HTTP.sys allows an authorized attacker to disclose information locally | 5.5 Medium | Oct 13, 2026 |
| CVE-2026-83665 | Null pointer dereference in Windows DHCP Server allows an unauthorized attacker to deny service over a network | 7.5 High | Oct 13, 2026 |
| CVE-2026-83676 | Integer underflow (wrap or wraparound) in Windows Installer allows an authorized attacker to elevate privileges locally | 7.0 High | Oct 13, 2026 |
| CVE-2026-83677 | Missing release of memory after effective lifetime in Windows DHCP Client allows an unauthorized attacker to deny… | 7.5 High | Oct 13, 2026 |
| CVE-2026-83679 | Use after free in Windows Defender Firewall Service allows an authorized attacker to elevate privileges locally | 7.8 High | Oct 13, 2026 |
| CVE-2026-83668 | Out-of-bounds read in Windows WLAN Service allows an authorized attacker to disclose information locally | 5.5 Medium | Oct 13, 2026 |
| CVE-2026-83680 | Heap-based buffer overflow in Windows Installer allows an authorized attacker to elevate privileges locally | 7.0 High | Oct 13, 2026 |
| CVE-2026-83670 | Out-of-bounds read in Function Discovery Service (fdwsd.dll) allows an unauthorized attacker to disclose information… | 7.5 High | Oct 13, 2026 |
| CVE-2026-83682 | Use after free in Windows TCP/IP allows an authorized attacker to elevate privileges locally | 7.0 High | Oct 13, 2026 |
| CVE-2026-83683 | Absolute path traversal in Windows Encrypting File System (EFS) allows an authorized attacker to disclose information… | 6.5 Medium | Oct 13, 2026 |
| CVE-2026-83672 | Exposure of sensitive system information to an unauthorized control sphere in Windows Installer allows an authorized… | 4.7 Medium | Oct 13, 2026 |
| CVE-2026-83640 | Heap-based buffer overflow in Windows NTFS allows an authorized attacker to execute code locally | 7.8 High | Oct 13, 2026 |
| CVE-2026-83634 | Double free in Windows BitLocker allows an authorized attacker to elevate privileges locally | 7.8 High | Oct 13, 2026 |
| CVE-2026-83651 | Out-of-bounds read in Windows GDI allows an unauthorized attacker to disclose information over a network | 6.5 Medium | Oct 13, 2026 |
| CVE-2026-83643 | Stack-based buffer overflow in Windows Error Reporting allows an unauthorized attacker to execute code over a network | 8.8 High | Oct 13, 2026 |
| CVE-2026-83636 | Null pointer dereference in Windows Hyper-V allows an authorized attacker to deny service locally | 6.5 Medium | Oct 13, 2026 |
| CVE-2026-83637 | Out-of-bounds read in Windows Kernel-Mode Drivers allows an authorized attacker to elevate privileges locally | 7.8 High | Oct 13, 2026 |
| CVE-2026-83645 | Allocation of resources without limits or throttling in Active Directory Federation Services (AD FS) allows an… | 7.5 High | Oct 13, 2026 |
| CVE-2026-83638 | Heap-based buffer overflow in Windows USB Driver allows an authorized attacker to elevate privileges locally | 7.8 High | Oct 13, 2026 |
| CVE-2026-83656 | Missing authentication for critical function in Windows Modern Device Management (MDM) allows an authorized attacker… | 4.7 Medium | Oct 13, 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 R2 (Server Core installation) 3958
Windows Server 2012 3865