59/59 sources · synced 00:50 UTC Customize Public mode
KB5099539BMonthly security release (Patch Tuesday) · 2026-07 B

Monthly security release (Patch Tuesday) for Windows 10, version 22H2 and Windows 10, version 21H2

Support article Update Catalog CVEs in Security CVE list for a ticket

Is it safe to deploy?

Everything in the July 2026 Patch Tuesday cycle
2Windows versions
313CVEs fixed · 21 critical
0Exploited or in CISA KEV
0Open known issues affecting it
YesRestart required (per MSRC)

Applies to

From Microsoft's release-information tables
Servicing branchOS buildReleaseAvailable
Windows 10, version 22H2 19045.7548 B 2026-07 B 14 Jul 2026
Windows 10, version 21H2 19044.7548 B 2026-07 B 14 Jul 2026

Known issues in this update

Windows release health

No known issues listed

Windows release health lists no issues from this KB or the update it builds on.

Issues this update resolves

No resolved issues listed

Windows release health names no issues fixed by this KB.

Security fixes

313 Microsoft CVEs · most urgent first
CVE Vulnerability Severity CVSSEPSSImpact Status
CVE-2026-50661 Windows BitLocker Security Feature Bypass VulnerabilityWindows BitLocker Important 6.10.5%Security Feature Bypass DisclosedRevised 24 Aug
CVE-2026-57092 Microsoft Windows VMSwitch Elevation of Privilege VulnerabilityWindows VMSwitch Critical 9.90.9%Elevation of Privilege
CVE-2026-56188 Windows Server Network driver Remote Code Execution VulnerabilityWindows Server Network driver Critical 9.80.6%Remote Code Execution Revised 17 Aug
CVE-2026-50380 Windows GDI+ Remote Code Execution VulnerabilityWindows GDI+ Critical 9.60.8%Remote Code Execution
CVE-2026-50382 DirectX Graphics Kernel Remote Code Execution VulnerabilityWindows DirectX Critical 8.80.3%Remote Code Execution
CVE-2026-50474 Remote Desktop Client Remote Code Execution VulnerabilityRemote Desktop Client Critical 8.80.8%Remote Code Execution
CVE-2026-54982 Windows Reliable Multicast Transport Driver (RMCAST) Remote Code Execution VulnerabilityReliable Multicast Transport Driver (RMCAST) Critical 8.80.5%Remote Code Execution
CVE-2026-54999 Windows TCP/IP Remote Code Execution VulnerabilityWindows TCP/IP Critical 8.80.4%Remote Code Execution
CVE-2026-57087 Microsoft Windows Media Foundation Remote Code Execution VulnerabilityMicrosoft Windows Media Foundation Critical 8.80.8%Remote Code Execution
CVE-2026-57090 Microsoft Windows Media Foundation Remote Code Execution VulnerabilityMicrosoft Windows Media Foundation Critical 8.80.8%Remote Code Execution
CVE-2026-57094 Microsoft Windows Media Foundation Remote Code Execution VulnerabilityMicrosoft Windows Media Foundation Critical 8.80.8%Remote Code Execution
CVE-2026-58608 Windows Print Spooler Remote Code Execution VulnerabilityWindows Print Spooler Components Critical 8.80.6%Remote Code Execution
CVE-2026-54128 Windows DHCP Client Remote Code Execution VulnerabilityWindows DHCP Client Critical 8.40.4%Remote Code Execution Revised 30 Jul
CVE-2026-54992 Microsoft Message Queuing Queue Manager Remote Code Execution VulnerabilityWindows Message Queuing Queue Manager Critical 8.40.3%Remote Code Execution
CVE-2026-50680 Windows Hyper-V Elevation of Privilege VulnerabilityWindows Hyper-V Critical 8.20.3%Elevation of Privilege
CVE-2026-49164 Windows Active Directory Domain Services Remote Code Execution VulnerabilityActive Directory Domain Services Critical 8.10.8%Remote Code Execution
CVE-2026-50694 Windows Secure Socket Tunneling Protocol (SSTP) Remote Code Execution VulnerabilityWindows Secure Socket Tunneling Protocol (SSTP) Critical 8.10.8%Remote Code Execution
CVE-2026-54995 Windows Reliable Multicast Transport Driver (RMCAST) Remote Code Execution VulnerabilityReliable Multicast Transport Driver (RMCAST) Critical 8.10.8%Remote Code Execution
CVE-2026-42982 Windows Secure Kernel Mode Elevation of Privilege VulnerabilityWindows Secure Kernel Mode Critical 7.80.3%Elevation of Privilege
CVE-2026-49796 Windows GDI+ Remote Code Execution VulnerabilityWindows GDI+ Critical 7.80.5%Remote Code Execution
CVE-2026-50655 Microsoft Windows Media Foundation Remote Code Execution VulnerabilityWindows Media Critical 7.80.5%Remote Code Execution Revised 12 Aug
CVE-2026-56189 Microsoft Windows Media Foundation Remote Code Execution VulnerabilityMicrosoft Windows Media Foundation Critical 7.80.4%Remote Code Execution
CVE-2026-42990 SQL Server ODBC driver Elevation of Privilege VulnerabilitySQL Server ODBC driver Important 9.81.0%Remote Code Execution
CVE-2026-49172 Windows FTP Service Remote Code Execution VulnerabilityWindows FTP Service Important 9.81.0%Remote Code Execution
CVE-2026-50447 Windows Message Queuing Service (MSMQ) Remote Code Execution VulnerabilityWindows Message Queuing Important 9.81.0%Remote Code Execution
CVE-2026-56190 Remote Desktop Protocol Remote Code Execution VulnerabilityWindows RDP Important 9.81.0%Remote Code Execution
CVE-2026-49798 Windows Kernel Elevation of Privilege VulnerabilityWindows Kernel Important 9.30.4%Elevation of Privilege Revised 20 Aug
CVE-2026-49178 Windows Active Directory Domain Services Remote Code Execution VulnerabilityActive Directory Domain Services Important 8.80.9%Remote Code Execution
CVE-2026-49795 Windows Kernel Elevation of Privilege VulnerabilityWindows Kernel Important 8.80.3%Elevation of Privilege
CVE-2026-50360 Windows SMB Server Elevation of Privilege VulnerabilityWindows SMB Server Important 8.80.8%Elevation of Privilege
CVE-2026-50369 Windows Remote Desktop Services Elevation of Privilege VulnerabilityWindows Remote Desktop Services Important 8.80.7%Elevation of Privilege
CVE-2026-50477 Windows Kernel Elevation of Privilege VulnerabilityWindows Kernel Important 8.80.3%Elevation of Privilege
CVE-2026-50489 Win32k Elevation of Privilege VulnerabilityWindows Win32K Important 8.80.3%Elevation of Privilege
CVE-2026-50666 Windows Remote Access Elevation of Privilege VulnerabilityWindows Remote Access Connection Manager Important 8.80.9%Elevation of Privilege
CVE-2026-50670 Windows Win32k Elevation of Privilege VulnerabilityWindows Kernel Important 8.80.3%Elevation of Privilege
CVE-2026-50692 Desktop Window Manager Elevation of Privilege VulnerabilityDesktop Window Manager Important 8.80.3%Elevation of Privilege Revised 20 Aug
CVE-2026-54107 Windows Win32k Elevation of Privilege VulnerabilityWindows Win32K Important 8.80.2%Elevation of Privilege
CVE-2026-56194 Windows NFS Server Elevation of Privilege VulnerabilityWindows Network File System Important 8.80.9%Elevation of Privilege
CVE-2026-56647 Windows Remote Access Service Infrastructure Elevation of Privilege VulnerabilityWindows Remote Access Service Infrastructure Important 8.80.9%Elevation of Privilege
CVE-2026-58534 Windows Input Method Editor (IME) Elevation of Privilege VulnerabilityMicrosoft Input Method Editor (IME) Important 8.80.3%Elevation of Privilege
CVE-2026-58594 Remote Desktop Client Remote Code Execution VulnerabilityWindows RDP Important 8.80.8%Remote Code Execution
CVE-2026-58626 Windows Remote Desktop Services Remote Code Execution VulnerabilityWindows Remote Desktop Services Important 8.80.9%Remote Code Execution
CVE-2026-49184 Windows NTFS Remote Code Execution VulnerabilityWindows NTFS Important 8.40.3%Remote Code Execution
CVE-2026-54122 Windows GDI+ Remote Code Execution VulnerabilityWindows GDI+ Important 8.40.4%Remote Code Execution
CVE-2026-50429 Windows Kernel Information Disclosure VulnerabilityWindows Kernel Important 8.21.1%Information Disclosure
CVE-2026-42900 Microsoft Windows App Store Elevation of Privilege VulnerabilityMicrosoft Windows App Store Important 8.10.5%Elevation of Privilege
CVE-2026-50439 Microsoft Message Queuing Queue Manager Remote Code Execution VulnerabilityWindows Message Queuing Queue Manager Important 8.10.8%Remote Code Execution
CVE-2026-50460 Windows Runtime Elevation of Privilege VulnerabilityWindows Runtime Important 8.10.5%Elevation of Privilege
CVE-2026-50686 Windows OLE Remote Code Execution VulnerabilityWindows OLE Important 8.10.7%Remote Code Execution
CVE-2026-56186 Windows Secure Channel Information Disclosure VulnerabilityWindows Schannel Important 8.11.1%Information Disclosure
Showing 50 of 313All CVEs
ChangeIntel is an independent tool and is not affiliated with or endorsed by Microsoft. Microsoft, Windows, Microsoft 365, Azure, and related names are trademarks of the Microsoft group of companies. Data comes from public sources listed on Sources; every item links to its original page. Dates and statuses can change after they are read. Built by Evotec. This is the public demo. It can also run on your own server, with your Microsoft 365 tenant and device data kept inside your network; Evotec can help you deploy and extend it.