Microsoft · Security update · June 9, 2026

KB5094126: June 2026 cumulative update for Windows 11 24H2

KB5094126, released June 9, 2026, fixes 101 CVEs across 6 products. None of them is reported as exploited. Patch Radar priority: Urgent.

Urgent4 publicly disclosed
CVEs closed
101
18 rated Critical
Exploited
0
None reported
Exploitation more likely
12
Vendor assessment
Highest EPSS
0.5660
99th percentile

Priority of the 101 CVEs

Patch now 0 Urgent 26 High 57 Routine 18

Applies to

Product
Windows 11 Version 24H2 for ARM64-based Systems
Windows 11 Version 24H2 for x64-based Systems
Windows 11 Version 25H2 for ARM64-based Systems
Windows 11 Version 25H2 for x64-based Systems
Windows Server 2025
Windows Server 2025 (Server Core installation)

CVEs this fix closes

PriorityCVEComponentImpactCVSSEPSSExploitation
Urgent CVE-2026-49160 HTTP/2 Denial of Service 7.5 0.5660 DisclosedMore likely
Urgent CVE-2026-47291 Windows HTTP.sys Remote Code Execution 9.8 0.2530 More likely
Urgent CVE-2026-45657 Windows Kernel Remote Code Execution 9.8 0.1548 Exploitation Less Likely
Urgent CVE-2026-50507 Windows BitLocker Security Feature Bypass 6.8 0.0502 DisclosedMore likely
Urgent CVE-2026-45586 Windows Collaborative Translation Framework Elevation of Privilege 7.8 0.0363 DisclosedMore likely
Urgent CVE-2026-42989 Winlogon Elevation of Privilege 7.8 0.0227 More likely
Urgent CVE-2026-42905 Windows DWM Core Library Elevation of Privilege 7.8 0.0200 More likely
Urgent CVE-2026-42986 Microsoft Graphics Component Elevation of Privilege 7.8 0.0200 More likely
Urgent CVE-2026-45585 Windows BitLocker Security Feature Bypass 6.8 0.0189 DisclosedMore likely
Urgent CVE-2026-42985 Remote Desktop Client Remote Code Execution 8.8 0.0126 More likely
Urgent CVE-2026-44815 Windows DHCP Client Remote Code Execution 9.8 0.0110 Exploitation Less Likely
Urgent CVE-2026-47289 Remote Desktop Client Remote Code Execution 8.8 0.0095 Exploitation Less Likely
Urgent CVE-2026-48563 Remote Desktop Client Remote Code Execution 7.5 0.0055 Exploitation Less Likely
Urgent CVE-2025-10263 Windows Kernel Elevation of Privilege 9.3 0.0054 Exploitation Less Likely
Urgent CVE-2026-44803 Windows Win32K - GRFX Remote Code Execution 7.8 0.0052 More likely
Urgent CVE-2026-44812 Windows Win32K - GRFX Remote Code Execution 7.8 0.0052 More likely
Urgent CVE-2026-42992 Remote Desktop Client Remote Code Execution 7.5 0.0046 Exploitation Less Likely
Urgent CVE-2026-44799 Remote Desktop Client Remote Code Execution 7.5 0.0046 Exploitation Less Likely
Urgent CVE-2026-44801 Remote Desktop Client Remote Code Execution 7.5 0.0046 Exploitation Less Likely
Urgent CVE-2026-48574 Windows Media Remote Code Execution 7.8 0.0045 Exploitation Less Likely
Urgent CVE-2026-45607 Windows Hyper-V Remote Code Execution 8.4 0.0036 Exploitation Less Likely
Urgent CVE-2026-45658 Windows BitLocker Security Feature Bypass 7.8 0.0035 More likely
Urgent CVE-2026-47652 Windows Hyper-V Remote Code Execution 8.2 0.0034 Exploitation Less Likely
Urgent CVE-2026-33828 Microsoft Azure Attestation service and Device Health Attestation Service Elevation of Privilege 7.8 0.0031 Exploitation Unlikely
Urgent CVE-2026-45641 Role: Windows Hyper-V Remote Code Execution 8.4 0.0031 Exploitation Less Likely
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