Microsoft · ServicingStack update · June 9, 2026
KB5093998: June 2026 cumulative update for Windows 11 22H2
KB5093998, released June 9, 2026, fixes 152 CVEs across 4 products. None of them is reported as exploited. Patch Radar priority: Urgent.
Urgent3 publicly disclosed
CVEs closed
152
23 rated Critical
Exploited
0
None reported
Exploitation more likely
19
Microsoft's assessment
Highest EPSS
0.5660
99th percentile
Priority of the 152 CVEs
Patch now 0
Urgent 38
High 88
Routine 26
Applies to
| Product | Build after install |
|---|---|
| Windows 11 Version 22H2 for ARM64-based Systems | 22631.7219 |
| Windows 11 Version 22H2 for x64-based Systems | 22631.7219 |
| Windows 11 Version 23H2 for ARM64-based Systems | 22631.7219 |
| Windows 11 Version 23H2 for x64-based Systems | 22631.7219 |
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-2026-45657 | Windows Kernel | Remote Code Execution | 9.8 | 0.1548 | Exploitation Less 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-2026-41096 | Microsoft Windows DNS | Remote Code Execution | 9.8 | 0.0270 | Exploitation Unlikely |
| 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 |
Showing 1 to 25 of 152
1Next
Patch Radar data is free to use with attribution. Terms and how to credit it.
Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.