Microsoft · Security update · June 9, 2026
KB5094123: June 2026 cumulative update for Windows 10 1809
KB5094123, released June 9, 2026, fixes 84 CVEs across 4 products. None of them is reported as exploited. Patch Radar priority: Urgent.
Urgent3 publicly disclosed
CVEs closed
84
16 rated Critical
Exploited
0
None reported
Exploitation more likely
11
Microsoft's assessment
Highest EPSS
0.5660
99th percentile
Priority of the 84 CVEs
Patch now 0
Urgent 23
High 45
Routine 16
Applies to
| Product | Build after install |
|---|---|
| Windows 10 Version 1809 for 32-bit Systems | 17763.8880 |
| Windows 10 Version 1809 for x64-based Systems | 17763.8880 |
| Windows Server 2019 | 17763.8880 |
| Windows Server 2019 (Server Core installation) | 17763.8880 |
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-2026-50507 | 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-2026-42985 | 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-2026-42987 | Windows Deployment Services | Remote Code Execution | 8.1 | 0.0059 | Exploitation Less Likely |
| Urgent | CVE-2026-47654 | Remote Desktop Client | Remote Code Execution | 7.5 | 0.0055 | Exploitation Unlikely |
| Urgent | CVE-2026-48563 | Remote Desktop Client | Remote Code Execution | 7.5 | 0.0055 | 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-2026-47288 | Windows Kerberos | Remote Code Execution | 7.1 | 0.0050 | Exploitation Unlikely |
| 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-2026-33828 | Microsoft Azure Attestation service and Device Health Attestation Service | Elevation of Privilege | 7.8 | 0.0031 | Exploitation Unlikely |
| High | CVE-2026-48573 | Windows Secure Boot | Security Feature Bypass | 7.9 | 0.0103 | Exploitation Less Likely |
| High | CVE-2026-48576 | Windows Secure Boot | Security Feature Bypass | 7.9 | 0.0103 | Exploitation Less Likely |
Showing 1 to 25 of 84
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