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

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CVE Summary Score Published
CVE-2026-32075 Use after free in Windows Universal Plug and Play (UPnP) Device Host allows an authorized attacker to elevate privileges… 7.0 High Apr 14, 2026
CVE-2026-32073 Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges… 7.0 High Apr 14, 2026
CVE-2026-32071 Null pointer dereference in Windows Local Security Authority Subsystem Service (LSASS) allows an unauthorized attacker… 7.5 High Apr 14, 2026
CVE-2026-27929 Time-of-check time-of-use (toctou) race condition in Windows LUAFV allows an authorized attacker to elevate privileges… 7.0 High Apr 14, 2026
CVE-2026-27926 Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Cloud Files… 7.0 High Apr 14, 2026
CVE-2026-27927 Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Projected File… 7.8 High Apr 14, 2026
CVE-2026-27921 Concurrent execution using shared resource with improper synchronization ('race condition') in Windows TCP/IP allows… 7.0 High Apr 14, 2026
CVE-2026-27919 Untrusted pointer dereference in Windows Universal Plug and Play (UPnP) Device Host allows an authorized attacker to… 7.8 High Apr 14, 2026
CVE-2026-27917 Use after free in Windows WFP NDIS Lightweight Filter Driver (wfplwfs.sys) allows an authorized attacker to elevate… 7.0 High Apr 14, 2026
CVE-2026-27918 Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Shell allows an… 7.8 High Apr 14, 2026
CVE-2026-27915 Use after free in Windows Universal Plug and Play (UPnP) Device Host allows an authorized attacker to elevate privileges… 7.8 High Apr 14, 2026
CVE-2026-27908 Use after free in Windows TDI Translation Driver (tdx.sys) allows an authorized attacker to elevate privileges locally 7.0 High Apr 14, 2026
CVE-2026-26183 Improper access control in Windows RPC API allows an authorized attacker to elevate privileges locally 7.8 High Apr 14, 2026
CVE-2026-26180 Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges locally 7.8 High Apr 14, 2026
CVE-2026-26175 Use of uninitialized resource in Windows Boot Manager allows an unauthorized attacker to bypass a security feature… 4.6 Medium Apr 14, 2026
CVE-2026-26174 Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Server Update… 7.0 High Apr 14, 2026
CVE-2026-26167 Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Push… 8.8 High Apr 14, 2026
CVE-2026-26162 Access of resource using incompatible type ('type confusion') in Windows OLE allows an authorized attacker to elevate… 7.8 High Apr 14, 2026
CVE-2026-26161 Untrusted pointer dereference in Windows Sensor Data Service allows an authorized attacker to elevate privileges locally 7.8 High Apr 14, 2026
CVE-2026-26160 Missing authentication for critical function in Windows Remote Desktop Licensing Service allows an authorized attacker… 7.8 High Apr 14, 2026
CVE-2026-26155 Microsoft Local Security Authority Subsystem Service Information Disclosure Vulnerability 6.5 Medium Apr 14, 2026
CVE-2026-26151 Insufficient ui warning of dangerous operations in Windows Remote Desktop allows an unauthorized attacker to perform… 7.1 High Apr 14, 2026
CVE-2026-26154 Improper input validation in Windows Server Update Service allows an unauthorized attacker to perform tampering over a… 7.5 High Apr 14, 2026
CVE-2026-23670 Untrusted pointer dereference in Windows Virtualization-Based Security (VBS) Enclave allows an authorized attacker to… 5.7 Medium Apr 14, 2026
CVE-2026-20930 Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Management… 7.8 High Apr 14, 2026

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