Skip to content

Known vulnerabilities in Microsoft Windows Server 2012 (Server Core installation)

Is your version affected?

CVE Summary Score Published
CVE-2026-87708 Use after free in Windows Installer allows an authorized attacker to elevate privileges locally 7.0 High Oct 13, 2026
CVE-2026-88080 Use after free in Windows Installer allows an authorized attacker to elevate privileges locally 7.8 High Oct 13, 2026
CVE-2026-88101 Weak authentication in Microsoft Input Method Editor (IME) allows an authorized attacker to elevate privileges locally 7.8 High Oct 13, 2026
CVE-2026-88124 Use after free in Windows Installer allows an authorized attacker to elevate privileges locally 7.0 High Oct 13, 2026
CVE-2026-88091 Deserialization of untrusted data in Windows Management Instrumentation allows an authorized attacker to elevate… 7.8 High Oct 13, 2026
CVE-2026-88158 Out-of-bounds read in Microsoft Digest Authentication allows an authorized attacker to disclose information locally 5.5 Medium Oct 13, 2026
CVE-2026-88161 Use after free in Windows Local Security Authority (LSA) allows an authorized attacker to elevate privileges locally 7.0 High Oct 13, 2026
CVE-2026-85864 Improper privilege management in Python allows an authorized attacker to elevate privileges locally 7.8 High Oct 13, 2026
CVE-2026-85871 Heap-based buffer overflow in Windows Kernel-Mode Drivers allows an authorized attacker to elevate privileges locally 7.8 High Oct 13, 2026
CVE-2026-85865 Improper authentication in Windows DHCP Server allows an authorized attacker to bypass a security feature locally 5.5 Medium Oct 13, 2026
CVE-2026-85918 Use after free in Windows Universal Plug and Play (UPnP) Device Host allows an authorized attacker to elevate privileges… 7.0 High Oct 13, 2026
CVE-2026-85920 Time-of-check time-of-use (toctou) race condition in Windows BitLocker allows an authorized attacker to elevate… 7.0 High Oct 13, 2026
CVE-2026-85868 Use after free in Windows Common Log File System Driver allows an authorized attacker to elevate privileges locally 7.0 High Oct 13, 2026
CVE-2026-85869 Heap-based buffer overflow in Microsoft Windows Search Component allows an authorized attacker to elevate privileges… 7.8 High Oct 13, 2026
CVE-2026-85870 Heap-based buffer overflow in Windows Common Log File System Driver allows an authorized attacker to elevate… 7.0 High Oct 13, 2026
CVE-2026-85860 Use after free in Windows Message Queuing Queue Manager allows an authorized attacker to elevate privileges locally 7.8 High Oct 13, 2026
CVE-2026-85856 Heap-based buffer overflow in Windows Internet Connection Sharing (ICS) allows an authorized attacker to execute code… 7.1 High Oct 13, 2026
CVE-2026-85857 Insertion of sensitive information into log file in Windows Kernel-Mode Drivers allows an authorized attacker to… 5.5 Medium Oct 13, 2026
CVE-2026-85859 Null pointer dereference in Windows Message Queuing Queue Manager allows an authorized attacker to deny service over a… 6.5 Medium Oct 13, 2026
CVE-2026-85840 Files or directories accessible to external parties in Windows Event Viewer allows an authorized attacker to disclose… 6.5 Medium Oct 13, 2026
CVE-2026-85843 Use of uninitialized resource in Windows Background Intelligent Transfer Service (BITS) allows an authorized attacker to… 7.8 High Oct 13, 2026
CVE-2026-85834 Heap-based buffer overflow in Windows TCP/IP allows an authorized attacker to elevate privileges locally 7.0 High Oct 13, 2026
CVE-2026-85847 Out-of-bounds read in Windows Print Spooler Components allows an unauthorized attacker to disclose information over a… 6.5 Medium Oct 13, 2026
CVE-2026-85848 Heap-based buffer overflow in Windows Background Intelligent Transfer Service (BITS) allows an authorized attacker to… 7.8 High Oct 13, 2026
CVE-2026-85826 Out-of-bounds write in Windows Fast FAT Driver allows an authorized attacker to elevate privileges locally 7.0 High Oct 13, 2026

Other Microsoft products