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Microsoft Windows 11 26H1 vulnerabilities

2,496 known vulnerabilities affecting microsoft/windows_11_26h1.

Total CVEs
2,496
CISA KEV
5
actively exploited
Public exploits
2
Exploited in wild
7
Severity breakdown
CRITICAL92HIGH1847MEDIUM553LOW4

Vulnerabilities

Page 80 of 125
CVE-2026-70272P3HIGHCVSS 7.0fixed in 10.0.28000.32312026-10-13
CVE-2026-70272 [HIGH] CWE-416 CVE-2026-70272: Use after free in Windows Installer allows an authorized attacker to elevate privileges locally. Use after free in Windows Installer allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-83930P3HIGHCVSS 7.0fixed in 10.0.28000.32312026-10-13
CVE-2026-83930 [HIGH] CWE-416 CVE-2026-83930: Use after free in Windows Update Orchestrator Service allows an authorized attacker to elevate privi Use after free in Windows Update Orchestrator Service allows an authorized attacker to elevate privileges locally.
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CVE-2026-69287P3HIGHCVSS 7.0fixed in 10.0.28000.29542026-09-08
CVE-2026-69287 [HIGH] CWE-416 CVE-2026-69287: Use after free in Windows Remote Desktop Services allows an authorized attacker to elevate privilege Use after free in Windows Remote Desktop Services allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-69335P3HIGHCVSS 7.0fixed in 10.0.28000.29542026-09-08
CVE-2026-69335 [HIGH] CWE-416 CVE-2026-69335: Use after free in Windows Win32K allows an authorized attacker to elevate privileges locally. Use after free in Windows Win32K allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-69814P3HIGHCVSS 7.0fixed in 10.0.28000.29542026-09-08
CVE-2026-69814 [HIGH] CWE-416 CVE-2026-69814: Use after free in Windows Credential Providers allows an authorized attacker to elevate privileges l Use after free in Windows Credential Providers allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-72930P3HIGHCVSS 7.0fixed in 10.0.28000.29542026-09-08
CVE-2026-72930 [HIGH] CWE-416 CVE-2026-72930: Use after free in Windows Secure Socket Tunneling Protocol (SSTP) allows an authorized attacker to e Use after free in Windows Secure Socket Tunneling Protocol (SSTP) allows an authorized attacker to execute code locally.
nvd
CVE-2026-69517P3HIGHCVSS 7.0fixed in 10.0.28000.29542026-09-08
CVE-2026-69517 [HIGH] CWE-416 CVE-2026-69517: Use after free in Windows Wireless Networking allows an authorized attacker to elevate privileges lo Use after free in Windows Wireless Networking allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-69333P3HIGHCVSS 7.0fixed in 10.0.28000.29542026-09-08
CVE-2026-69333 [HIGH] CWE-416 CVE-2026-69333: Use after free in Windows Win32K allows an authorized attacker to elevate privileges locally. Use after free in Windows Win32K allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-69472P3HIGHCVSS 7.0fixed in 10.0.28000.29542026-09-08
CVE-2026-69472 [HIGH] CWE-416 CVE-2026-69472: Use after free in Windows Devices Human Interface allows an authorized attacker to elevate privilege Use after free in Windows Devices Human Interface allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-73003P3HIGHCVSS 7.0fixed in 10.0.28000.29542026-09-08
CVE-2026-73003 [HIGH] CWE-416 CVE-2026-73003: Use after free in Windows Modern Device Management (MDM) allows an authorized attacker to elevate pr Use after free in Windows Modern Device Management (MDM) allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-69280P3HIGHCVSS 7.0fixed in 10.0.28000.29542026-09-08
CVE-2026-69280 [HIGH] CWE-416 CVE-2026-69280: Use after free in Windows Push Notifications allows an authorized attacker to elevate privileges loc Use after free in Windows Push Notifications allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-69654P3HIGHCVSS 7.0fixed in 10.0.28000.29542026-09-08
CVE-2026-69654 [HIGH] CWE-416 CVE-2026-69654: Use after free in Windows Accounts Control allows an authorized attacker to elevate privileges local Use after free in Windows Accounts Control allows an authorized attacker to elevate privileges locally.
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CVE-2026-69498P3HIGHCVSS 7.0fixed in 10.0.28000.29542026-09-08
CVE-2026-69498 [HIGH] CWE-416 CVE-2026-69498: Use after free in Windows Win32K allows an authorized attacker to elevate privileges locally. Use after free in Windows Win32K allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-69300P3HIGHCVSS 7.0fixed in 10.0.28000.29542026-09-08
CVE-2026-69300 [HIGH] CWE-416 CVE-2026-69300: Use after free in Windows Push Notifications allows an authorized attacker to elevate privileges loc Use after free in Windows Push Notifications allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-71353P3HIGHCVSS 7.0fixed in 10.0.28000.29542026-09-08
CVE-2026-71353 [HIGH] CWE-415 CVE-2026-71353: Double free in Windows Routing and Remote Access Service (RRAS) allows an authorized attacker to ele Double free in Windows Routing and Remote Access Service (RRAS) allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-69652P3HIGHCVSS 7.0fixed in 10.0.28000.29542026-09-08
CVE-2026-69652 [HIGH] CWE-416 CVE-2026-69652: Use after free in Windows Win32K allows an authorized attacker to elevate privileges locally. Use after free in Windows Win32K allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-69648P3HIGHCVSS 7.0fixed in 10.0.28000.29542026-09-08
CVE-2026-69648 [HIGH] CWE-416 CVE-2026-69648: Use after free in Windows Notification allows an authorized attacker to elevate privileges locally. Use after free in Windows Notification allows an authorized attacker to elevate privileges locally.
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CVE-2026-73022P3HIGHCVSS 7.0fixed in 10.0.28000.29542026-09-08
CVE-2026-73022 [HIGH] CWE-416 CVE-2026-73022: Use after free in Windows Modern Device Management (MDM) allows an authorized attacker to elevate pr Use after free in Windows Modern Device Management (MDM) allows an authorized attacker to elevate privileges locally.
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CVE-2026-69275P3HIGHCVSS 7.0fixed in 10.0.28000.29542026-09-08
CVE-2026-69275 [HIGH] CWE-416 CVE-2026-69275: Use after free in Kernel Streaming WOW Thunk Service Driver allows an authorized attacker to elevate Use after free in Kernel Streaming WOW Thunk Service Driver allows an authorized attacker to elevate privileges locally.
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CVE-2026-69567P3HIGHCVSS 7.0fixed in 10.0.28000.29542026-09-08
CVE-2026-69567 [HIGH] CWE-416 CVE-2026-69567: Use after free in Windows NTFS allows an authorized attacker to elevate privileges locally. Use after free in Windows NTFS allows an authorized attacker to elevate privileges locally.
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Microsoft Windows 11 26H1 vulnerabilities | cvebase