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Known vulnerabilities in Microsoft Windows Server 2016 (Server Core installation)

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CVE Summary Score Published
CVE-2026-70249 Use after free in Windows Win32 Kernel Subsystem allows an authorized attacker to elevate privileges locally 7.0 High Oct 13, 2026
CVE-2026-70253 Use after free in Windows Win32 Kernel Subsystem allows an authorized attacker to elevate privileges locally 7.0 High Oct 13, 2026
CVE-2026-70233 Heap-based buffer overflow in Windows Common Log File System Driver allows an authorized attacker to elevate… 7.8 High Oct 13, 2026
CVE-2026-70247 Out-of-bounds read in Windows HTTP.sys allows an authorized attacker to execute code locally 7.8 High Oct 13, 2026
CVE-2026-70168 Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges… 7.0 High Oct 13, 2026
CVE-2026-70150 Use after free in Microsoft Windows Search Component allows an authorized attacker to elevate privileges locally 7.0 High Oct 13, 2026
CVE-2026-70195 Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to disclose information… 4.7 Medium Oct 13, 2026
CVE-2026-70173 Out-of-bounds read in Microsoft Windows Search Component allows an authorized attacker to disclose information locally 5.5 Medium Oct 13, 2026
CVE-2026-70156 Use after free in Microsoft Windows Search Component allows an authorized attacker to elevate privileges locally 7.0 High Oct 13, 2026
CVE-2026-70245 Access of resource using incompatible type ('type confusion') in Windows Ancillary Function Driver for WinSock allows an… 7.8 High Oct 13, 2026
CVE-2026-70176 Use after free in Windows Win32 Kernel Subsystem allows an authorized attacker to elevate privileges locally 7.0 High Oct 13, 2026
CVE-2026-70177 Numeric truncation error in Microsoft Windows Search Component allows an authorized attacker to elevate privileges… 7.8 High Oct 13, 2026
CVE-2026-70205 Access of resource using incompatible type ('type confusion') in Windows Ancillary Function Driver for WinSock allows an… 7.0 High Oct 13, 2026
CVE-2026-70133 Allocation of resources without limits or throttling in Windows SMB Server allows an unauthorized attacker to deny… 7.5 High Oct 13, 2026
CVE-2026-70135 Out-of-bounds read in Windows Remote POS Driver allows an authorized attacker to disclose information locally 5.5 Medium Oct 13, 2026
CVE-2026-70136 Use after free in Microsoft Windows Search Component allows an authorized attacker to elevate privileges locally 7.0 High Oct 13, 2026
CVE-2026-70126 Out-of-bounds read in Windows Bluetooth Port Driver allows an unauthorized attacker to execute code over an adjacent… 7.1 High Oct 13, 2026
CVE-2026-70138 Heap-based buffer overflow in Windows OLE allows an authorized attacker to elevate privileges locally 7.8 High Oct 13, 2026
CVE-2026-70141 Out-of-bounds read in Microsoft Windows Search Component allows an authorized attacker to disclose information locally 5.5 Medium Oct 13, 2026
CVE-2026-70132 Heap-based buffer overflow in Windows Portable Device File System Driver allows an authorized attacker to elevate… 7.8 High Oct 13, 2026
CVE-2026-70155 Missing release of memory after effective lifetime in Windows DNS allows an unauthorized attacker to deny service over a… 7.5 High Oct 13, 2026
CVE-2026-70166 Out-of-bounds read in Windows DNS allows an authorized attacker to deny service over a network 6.5 Medium Oct 13, 2026
CVE-2026-70108 Heap-based buffer overflow in Windows Win32 Kernel Subsystem allows an authorized attacker to elevate privileges locally 7.8 High Oct 13, 2026
CVE-2026-70093 Heap-based buffer overflow in Windows Rich Text Edit Control allows an authorized attacker to elevate privileges locally 7.8 High Oct 13, 2026
CVE-2026-70095 Heap-based buffer overflow in Windows iSCSI allows an unauthorized attacker to execute code over a network 7.5 High Oct 13, 2026

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