Microsoft · ServicingStack update · June 9, 2026
KB5094128: June 2026 cumulative update for Windows Server 23H2
KB5094128, released June 9, 2026, fixes 99 CVEs across 2 products. None of them is reported as exploited. Patch Radar priority: Urgent.
Urgent3 publicly disclosed
CVEs closed
99
21 rated Critical
Exploited
0
None reported
Exploitation more likely
12
Microsoft's assessment
Highest EPSS
0.5660
99th percentile
Priority of the 99 CVEs
Patch now 0
Urgent 29
High 52
Routine 18
Applies to
| Product | Build after install |
|---|---|
| Windows Server 2022 | 20348.5256 |
| Windows Server 2022 (Server Core installation) | 20348.5256 |
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-2026-42989 | 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-2026-45648 | Active Directory Domain Services | Remote Code Execution | 8.8 | 0.0112 | Exploitation Unlikely |
| 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 |
Showing 1 to 25 of 99
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.