Vulnerabilities of Microsoft Windows 11 version 26H1
Is your version affected?
CVE list
| CVE | Summary | Score | Published |
|---|---|---|---|
| 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-2026-27907 | Integer underflow (wrap or wraparound) in Windows Storage Spaces Controller allows an authorized attacker to elevate… | 7.8 High | Apr 14, 2026 |
| CVE-2026-27906 | Improper input validation in Windows Hello allows an authorized attacker to bypass a security feature locally | 4.4 Medium | Apr 14, 2026 |
| CVE-2026-26181 | Use after free in Microsoft Brokering File System allows an authorized attacker to elevate privileges locally | 7.8 High | Apr 14, 2026 |
| CVE-2026-26179 | Double free in Windows Kernel 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-2026-26166 | Double free in Windows Shell allows an authorized attacker to elevate privileges locally | 7.0 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-2026-26165 | Use after free in Windows Shell allows an authorized attacker to elevate privileges locally | 7.0 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 |
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