Microsoft · Security update · June 9, 2026
KB5094127: June 2026 cumulative update for Windows 10 21H2
KB5094127, released June 9, 2026, fixes 142 CVEs across 7 products. None of them is reported as exploited. Patch Radar priority: Urgent.
Urgent3 publicly disclosed
CVEs closed
142
18 rated Critical
Exploited
0
None reported
Exploitation more likely
19
Microsoft's assessment
Highest EPSS
0.5660
99th percentile
Priority of the 142 CVEs
Patch now 0
Urgent 33
High 84
Routine 25
Applies to
CVEs this fix closes
| Priority | CVE | Component | Impact | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|---|
| 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-2026-50508 | Windows NTLM | Spoofing | 6.5 | 0.1144 | More 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-2026-40398 | Windows Remote Desktop | Elevation of Privilege | 7.8 | 0.0267 | More likely |
| Urgent | CVE-2026-42989 | Winlogon | Elevation of Privilege | 7.8 | 0.0227 | More likely |
| Urgent | CVE-2026-33835 | Windows Cloud Files Mini Filter Driver | Elevation of Privilege | 7.8 | 0.0212 | 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-2026-33837 | Windows TCP/IP | Elevation of Privilege | 7.8 | 0.0184 | More likely |
| Urgent | CVE-2026-35416 | Windows Ancillary Function Driver for WinSock | Elevation of Privilege | 7.0 | 0.0165 | More 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-2026-35421 | Windows GDI | Remote Code Execution | 7.8 | 0.0053 | Exploitation Unlikely |
| 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-2026-40403 | Windows Win32K - GRFX | Remote Code Execution | 8.8 | 0.0043 | Exploitation Less Likely |
Showing 1 to 25 of 142
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