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Known vulnerabilities in Microsoft Windows Server 2019 (Server Core installation)

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CVE Summary Score Published
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-2026-85849 Improper link resolution before file access ('link following') in Windows AppX Deployment Service allows an authorized… 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
CVE-2026-85827 Heap-based buffer overflow in WebDAV allows an authorized attacker to elevate privileges locally 7.0 High Oct 13, 2026
CVE-2026-85828 Heap-based buffer overflow in WebDAV allows an authorized attacker to elevate privileges locally 7.0 High Oct 13, 2026
CVE-2026-85829 Double free in Windows Wired AutoConfig Service allows an authorized attacker to elevate privileges locally 7.8 High Oct 13, 2026
CVE-2026-85820 Use after free in Windows Universal Disk Format File System Driver (UDFS) allows an authorized attacker to elevate… 7.8 High Oct 13, 2026
CVE-2026-85830 Out-of-bounds read in Windows Installer allows an authorized attacker to disclose information locally 5.5 Medium Oct 13, 2026
CVE-2026-85821 Out-of-bounds read in Windows Universal Disk Format File System Driver (UDFS) allows an authorized attacker to… 6.5 Medium Oct 13, 2026
CVE-2026-85831 Heap-based buffer overflow in Windows Biometric Service allows an authorized attacker to disclose information locally 5.5 Medium Oct 13, 2026
CVE-2026-85822 Heap-based buffer overflow in Windows exFAT File System allows an authorized attacker to elevate privileges locally 7.8 High Oct 13, 2026
CVE-2026-85832 Heap-based buffer overflow in Windows Background Intelligent Transfer Service (BITS) allows an authorized attacker to… 7.8 High Oct 13, 2026
CVE-2026-85825 Use after free in Windows Universal Disk Format File System Driver (UDFS) allows an authorized attacker to elevate… 7.0 High Oct 13, 2026
CVE-2026-85815 Out-of-bounds read in Windows Device Association Service allows an authorized attacker to disclose information locally 5.5 Medium Oct 13, 2026
CVE-2026-85806 Integer underflow (wrap or wraparound) in Network Policy Server (NPS) allows an unauthorized attacker to execute code… 9.8 Critical Oct 13, 2026
CVE-2026-85816 Out-of-bounds read in Windows Wi-Fi Driver allows an authorized attacker to disclose information over an adjacent… 5.7 Medium Oct 13, 2026
CVE-2026-85807 Integer overflow or wraparound in Windows USB Video Driver allows an authorized attacker to elevate privileges locally 7.8 High Oct 13, 2026
CVE-2026-85817 Reliance on untrusted inputs in a security decision in Windows PowerShell allows an unauthorized attacker to execute… 8.8 High Oct 13, 2026
CVE-2026-85808 Out-of-bounds read in Windows Routing and Remote Access Service (RRAS) allows an unauthorized attacker to deny service… 7.5 High Oct 13, 2026
CVE-2026-85809 Remote Code Execution in Windows Routing and Remote Access Service (RRAS) allows attacker to gain an unauthorized access… 9.8 Critical Oct 13, 2026
CVE-2026-85810 Use after free in Windows Telephony Server allows an authorized attacker to elevate privileges locally 7.0 High Oct 13, 2026
CVE-2026-85811 Use after free in Network Policy Server (NPS) allows an unauthorized attacker to execute code over an adjacent network 7.5 High Oct 13, 2026
CVE-2026-85814 Heap-based buffer overflow in Microsoft Windows Media Foundation allows an unauthorized attacker to execute code over… 9.8 Critical Oct 13, 2026

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