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
Vendor assessment
Highest EPSS
0.5660
99th percentile

Priority of the 99 CVEs

Patch now 0 Urgent 29 High 52 Routine 18

Applies to

ProductBuild after install
Windows Server 202220348.5256
Windows Server 2022 (Server Core installation)20348.5256

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-2026-50508 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