Microsoft Windows 11 Version 26H1 vulnerabilities
2,571 known vulnerabilities affecting microsoft/windows_11_version_26h1.
Total CVEs
2,571
CISA KEV
10
actively exploited
Public exploits
6
Exploited in wild
13
Severity breakdown
CRITICAL93HIGH1902MEDIUM571LOW5
Vulnerabilities
Page 32 of 129
CVE-2026-96856P3HIGHCVSS 7.8≥ 10.0.28000.0, < 10.0.28000.32312026-10-13
CVE-2026-96856 [HIGH] CWE-122 CVE-2026-96856: Heap-based buffer overflow in Windows Management Instrumentation allows an authorized attacker to el
Heap-based buffer overflow in Windows Management Instrumentation allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-96217P3HIGHCVSS 7.8≥ 10.0.28000.0, < 10.0.28000.32312026-10-13
CVE-2026-96217 [HIGH] CWE-122 CVE-2026-96217: Heap-based buffer overflow in Windows NTFS allows an authorized attacker to elevate privileges local
Heap-based buffer overflow in Windows NTFS allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-33841P3HIGHCVSS 7.8≥ 10.0.28000.0, < 10.0.28000.21132026-05-12
CVE-2026-33841 [HIGH] CWE-122 CVE-2026-33841: Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges loc
Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-70278P3HIGHCVSS 7.8≥ 10.0.28000.0, < 10.0.28000.32312026-10-13
CVE-2026-70278 [HIGH] CWE-122 CVE-2026-70278: Heap-based buffer overflow in Microsoft Windows Media Foundation allows an authorized attacker to el
Heap-based buffer overflow in Microsoft Windows Media Foundation allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-83931P3HIGHCVSS 7.8≥ 10.0.28000.0, < 10.0.28000.32312026-10-13
CVE-2026-83931 [HIGH] CWE-122 CVE-2026-83931: Heap-based buffer overflow in Windows Hyper-V allows an authorized attacker to execute code locally.
Heap-based buffer overflow in Windows Hyper-V allows an authorized attacker to execute code locally.
nvd
CVE-2026-26180P3HIGHCVSS 7.8≥ 10.0.28000.0, < 10.0.28000.18362026-04-14
CVE-2026-26180 [HIGH] CWE-122 CVE-2026-26180: Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges loc
Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-50375P3HIGHCVSS 7.8≥ 10.0.28000.0, < 10.0.28000.25252026-07-14
CVE-2026-50375 [HIGH] CWE-122 CVE-2026-50375: Heap-based buffer overflow in Windows DirectX allows an authorized attacker to elevate privileges lo
Heap-based buffer overflow in Windows DirectX allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-87711P3HIGHCVSS 7.8≥ 10.0.28000.0, < 10.0.28000.32312026-10-13
CVE-2026-87711 [HIGH] CWE-121 CVE-2026-87711: Stack-based buffer overflow in Windows Installer allows an authorized attacker to elevate privileges
Stack-based buffer overflow in Windows Installer allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-69987P3HIGHCVSS 7.5≥ 10.0.28000.0, < 10.0.28000.32312026-10-13
CVE-2026-69987 [HIGH] CWE-416 CVE-2026-69987: Use after free in Remote Desktop Client allows an unauthorized attacker to execute code over a netwo
Use after free in Remote Desktop Client allows an unauthorized attacker to execute code over a network.
nvd
CVE-2026-69988P3HIGHCVSS 7.5≥ 10.0.28000.0, < 10.0.28000.32312026-10-13
CVE-2026-69988 [HIGH] CWE-416 CVE-2026-69988: Use after free in Remote Desktop Client allows an unauthorized attacker to execute code over a netwo
Use after free in Remote Desktop Client allows an unauthorized attacker to execute code over a network.
nvd
CVE-2026-70006P3HIGHCVSS 7.5≥ 10.0.28000.0, < 10.0.28000.32312026-10-13
CVE-2026-70006 [HIGH] CWE-416 CVE-2026-70006: Use after free in Remote Desktop Client allows an unauthorized attacker to execute code over a netwo
Use after free in Remote Desktop Client allows an unauthorized attacker to execute code over a network.
nvd
CVE-2026-69986P3HIGHCVSS 7.5≥ 10.0.28000.0, < 10.0.28000.32312026-10-13
CVE-2026-69986 [HIGH] CWE-416 CVE-2026-69986: Use after free in Remote Desktop Client allows an unauthorized attacker to execute code over a netwo
Use after free in Remote Desktop Client allows an unauthorized attacker to execute code over a network.
nvd
CVE-2026-69991P3HIGHCVSS 7.5≥ 10.0.28000.0, < 10.0.28000.32312026-10-13
CVE-2026-69991 [HIGH] CWE-416 CVE-2026-69991: Use after free in Remote Desktop Client allows an unauthorized attacker to execute code over a netwo
Use after free in Remote Desktop Client allows an unauthorized attacker to execute code over a network.
nvd
CVE-2026-69994P3HIGHCVSS 7.5≥ 10.0.28000.0, < 10.0.28000.32312026-10-13
CVE-2026-69994 [HIGH] CWE-416 CVE-2026-69994: Use after free in Remote Desktop Client allows an unauthorized attacker to execute code over a netwo
Use after free in Remote Desktop Client allows an unauthorized attacker to execute code over a network.
nvd
CVE-2026-69984P3HIGHCVSS 7.5≥ 10.0.28000.0, < 10.0.28000.32312026-10-13
CVE-2026-69984 [HIGH] CWE-416 CVE-2026-69984: Use after free in Remote Desktop Client allows an unauthorized attacker to execute code over a netwo
Use after free in Remote Desktop Client allows an unauthorized attacker to execute code over a network.
nvd
CVE-2026-69995P3HIGHCVSS 7.5≥ 10.0.28000.0, < 10.0.28000.32312026-10-13
CVE-2026-69995 [HIGH] CWE-416 CVE-2026-69995: Use after free in Remote Desktop Client allows an unauthorized attacker to execute code over a netwo
Use after free in Remote Desktop Client allows an unauthorized attacker to execute code over a network.
nvd
CVE-2026-69998P3HIGHCVSS 7.5≥ 10.0.28000.0, < 10.0.28000.32312026-10-13
CVE-2026-69998 [HIGH] CWE-416 CVE-2026-69998: Use after free in Remote Desktop Client allows an unauthorized attacker to execute code over a netwo
Use after free in Remote Desktop Client allows an unauthorized attacker to execute code over a network.
nvd
CVE-2026-70004P3HIGHCVSS 7.5≥ 10.0.28000.0, < 10.0.28000.32312026-10-13
CVE-2026-70004 [HIGH] CWE-416 CVE-2026-70004: Use after free in Remote Desktop Client allows an unauthorized attacker to execute code over a netwo
Use after free in Remote Desktop Client allows an unauthorized attacker to execute code over a network.
nvd
CVE-2026-69996P3HIGHCVSS 7.5≥ 10.0.28000.0, < 10.0.28000.32312026-10-13
CVE-2026-69996 [HIGH] CWE-416 CVE-2026-69996: Use after free in Remote Desktop Client allows an unauthorized attacker to execute code over a netwo
Use after free in Remote Desktop Client allows an unauthorized attacker to execute code over a network.
nvd
CVE-2026-70012P3HIGHCVSS 7.5≥ 10.0.28000.0, < 10.0.28000.32312026-10-13
CVE-2026-70012 [HIGH] CWE-416 CVE-2026-70012: Use after free in Remote Desktop Client allows an unauthorized attacker to execute code over a netwo
Use after free in Remote Desktop Client allows an unauthorized attacker to execute code over a network.
nvd