# KB5063950: August 2025 security update KB5063950, released August 12, 2025, fixes 47 CVEs across 2 products. None of them is reported as exploited. Patch Radar priority: Urgent. - Web page: https://patchblox.com/security/fix/microsoft/kb5063950 - Platform: Microsoft - Released: Aug 12, 2025 - Priority: Urgent (Closes CVE-2025-53778, exploitation more likely) - CVEs: 47, exploited: 0, on CISA KEV: 0 - Vendor advisory: https://support.microsoft.com/help/5063950 ## Applies to | Product | Release | Fixed in | |---|---|---| | [Windows Server 2012 R2](https://patchblox.com/security/data/product/microsoft/windows-server-2012-r2.md) | | | | [Windows Server 2012 R2 (Server Core installation)](https://patchblox.com/security/data/product/microsoft/windows-server-2012-r2-server-core-installation.md) | | | ## CVEs this fix closes | CVE | Priority | Component | CVSS | EPSS | Exploitation | |---|---|---|---:|---:|---| | [CVE-2025-53778](https://patchblox.com/security/data/cve/CVE-2025-53778.md) | Urgent | Windows NTLM | 8.8 | 0.5162 | More likely | | [CVE-2025-53766](https://patchblox.com/security/data/cve/CVE-2025-53766.md) | Urgent | Windows GDI+ | 9.8 | 0.0846 | | | [CVE-2025-50177](https://patchblox.com/security/data/cve/CVE-2025-50177.md) | Urgent | Windows Message Queuing | 8.1 | 0.0461 | More likely | | [CVE-2025-49743](https://patchblox.com/security/data/cve/CVE-2025-49743.md) | Urgent | Microsoft Graphics Component | 6.7 | 0.0053 | More likely | | [CVE-2025-53132](https://patchblox.com/security/data/cve/CVE-2025-53132.md) | Urgent | Windows Win32K - GRFX | 7.8 | 0.0046 | More likely | | [CVE-2025-53147](https://patchblox.com/security/data/cve/CVE-2025-53147.md) | Urgent | Windows Ancillary Function Driver for WinSock | 7.0 | 0.0045 | More likely | | [CVE-2025-50167](https://patchblox.com/security/data/cve/CVE-2025-50167.md) | Urgent | Role: Windows Hyper-V | 7.0 | 0.0038 | More likely | | [CVE-2025-53722](https://patchblox.com/security/data/cve/CVE-2025-53722.md) | High | Windows Remote Desktop Services | 7.5 | 0.2342 | | | [CVE-2025-53143](https://patchblox.com/security/data/cve/CVE-2025-53143.md) | High | Windows Message Queuing | 8.8 | 0.0903 | | | [CVE-2025-53144](https://patchblox.com/security/data/cve/CVE-2025-53144.md) | High | Windows Message Queuing | 8.8 | 0.0849 | | | [CVE-2025-53145](https://patchblox.com/security/data/cve/CVE-2025-53145.md) | High | Windows Message Queuing | 8.8 | 0.0849 | | | [CVE-2025-53720](https://patchblox.com/security/data/cve/CVE-2025-53720.md) | High | Windows Routing and Remote Access Service (RRAS) | 8.0 | 0.0098 | | | [CVE-2025-50163](https://patchblox.com/security/data/cve/CVE-2025-50163.md) | High | Windows Routing and Remote Access Service (RRAS) | 8.8 | 0.0097 | | | [CVE-2025-50160](https://patchblox.com/security/data/cve/CVE-2025-50160.md) | High | Windows Routing and Remote Access Service (RRAS) | 8.0 | 0.0093 | | | [CVE-2025-50162](https://patchblox.com/security/data/cve/CVE-2025-50162.md) | High | Windows Routing and Remote Access Service (RRAS) | 8.0 | 0.0093 | | | [CVE-2025-50164](https://patchblox.com/security/data/cve/CVE-2025-50164.md) | High | Windows Routing and Remote Access Service (RRAS) | 8.0 | 0.0093 | | | [CVE-2025-53149](https://patchblox.com/security/data/cve/CVE-2025-53149.md) | High | Kernel Streaming WOW Thunk Service Driver | 7.8 | 0.0077 | | | [CVE-2025-50161](https://patchblox.com/security/data/cve/CVE-2025-50161.md) | High | Windows Win32K - GRFX | 7.3 | 0.0060 | | | [CVE-2025-50159](https://patchblox.com/security/data/cve/CVE-2025-50159.md) | High | Remote Access Point-to-Point Protocol (PPP) EAP-TLS | 7.3 | 0.0059 | | | [CVE-2025-50173](https://patchblox.com/security/data/cve/CVE-2025-50173.md) | High | Windows Installer | 7.8 | 0.0055 | | | [CVE-2025-53155](https://patchblox.com/security/data/cve/CVE-2025-53155.md) | High | Role: Windows Hyper-V | 7.8 | 0.0049 | | | [CVE-2025-53723](https://patchblox.com/security/data/cve/CVE-2025-53723.md) | High | Role: Windows Hyper-V | 7.8 | 0.0049 | | | [CVE-2025-53152](https://patchblox.com/security/data/cve/CVE-2025-53152.md) | High | Desktop Windows Manager | 7.8 | 0.0045 | | | [CVE-2025-53724](https://patchblox.com/security/data/cve/CVE-2025-53724.md) | High | Windows Push Notifications | 7.8 | 0.0045 | | | [CVE-2025-53726](https://patchblox.com/security/data/cve/CVE-2025-53726.md) | High | Windows Push Notifications | 7.8 | 0.0045 | | | [CVE-2025-49761](https://patchblox.com/security/data/cve/CVE-2025-49761.md) | High | Windows Kernel | 7.8 | 0.0044 | | | [CVE-2025-50153](https://patchblox.com/security/data/cve/CVE-2025-50153.md) | High | Desktop Windows Manager | 7.8 | 0.0044 | | | [CVE-2025-50155](https://patchblox.com/security/data/cve/CVE-2025-50155.md) | High | Windows Push Notifications | 7.8 | 0.0044 | | | [CVE-2025-53141](https://patchblox.com/security/data/cve/CVE-2025-53141.md) | High | Windows Ancillary Function Driver for WinSock | 7.8 | 0.0044 | | | [CVE-2025-53154](https://patchblox.com/security/data/cve/CVE-2025-53154.md) | High | Windows Ancillary Function Driver for WinSock | 7.8 | 0.0044 | | | [CVE-2025-53725](https://patchblox.com/security/data/cve/CVE-2025-53725.md) | High | Windows Push Notifications | 7.8 | 0.0044 | | | [CVE-2025-53137](https://patchblox.com/security/data/cve/CVE-2025-53137.md) | High | Windows Ancillary Function Driver for WinSock | 7.0 | 0.0039 | | | [CVE-2025-50158](https://patchblox.com/security/data/cve/CVE-2025-50158.md) | High | Windows NTFS | 7.0 | 0.0039 | | | [CVE-2025-53718](https://patchblox.com/security/data/cve/CVE-2025-53718.md) | High | Windows Ancillary Function Driver for WinSock | 7.0 | 0.0036 | | | [CVE-2025-53140](https://patchblox.com/security/data/cve/CVE-2025-53140.md) | High | Kernel Transaction Manager | 7.0 | 0.0036 | | | [CVE-2025-53134](https://patchblox.com/security/data/cve/CVE-2025-53134.md) | High | Windows Ancillary Function Driver for WinSock | 7.0 | 0.0032 | | | [CVE-2025-49762](https://patchblox.com/security/data/cve/CVE-2025-49762.md) | High | Windows Ancillary Function Driver for WinSock | 7.0 | 0.0027 | | | [CVE-2025-53135](https://patchblox.com/security/data/cve/CVE-2025-53135.md) | High | Windows DirectX | 7.0 | 0.0027 | | | [CVE-2025-50154](https://patchblox.com/security/data/cve/CVE-2025-50154.md) | Routine | Windows File Explorer | 6.5 | 0.3177 | | | [CVE-2025-50166](https://patchblox.com/security/data/cve/CVE-2025-50166.md) | Routine | Windows Distributed Transaction Coordinator | 6.5 | 0.0141 | | | [CVE-2025-53719](https://patchblox.com/security/data/cve/CVE-2025-53719.md) | Routine | Windows Routing and Remote Access Service (RRAS) | 5.7 | 0.0133 | | | [CVE-2025-50156](https://patchblox.com/security/data/cve/CVE-2025-50156.md) | Routine | Windows Routing and Remote Access Service (RRAS) | 5.7 | 0.0125 | | | [CVE-2025-50157](https://patchblox.com/security/data/cve/CVE-2025-50157.md) | Routine | Windows Routing and Remote Access Service (RRAS) | 5.7 | 0.0123 | | | [CVE-2025-53138](https://patchblox.com/security/data/cve/CVE-2025-53138.md) | Routine | Windows Routing and Remote Access Service (RRAS) | 5.7 | 0.0123 | | | [CVE-2025-53148](https://patchblox.com/security/data/cve/CVE-2025-53148.md) | Routine | Windows Routing and Remote Access Service (RRAS) | 5.7 | 0.0123 | | | [CVE-2025-53153](https://patchblox.com/security/data/cve/CVE-2025-53153.md) | Routine | Windows Routing and Remote Access Service (RRAS) | 5.7 | 0.0123 | | | [CVE-2025-53136](https://patchblox.com/security/data/cve/CVE-2025-53136.md) | Routine | Windows NT OS Kernel | 5.5 | 0.0098 | | --- Data as of 2026-11-07T18:46:35Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo Free to use with attribution: show "Data: Patchblox Patch Radar" with a link to https://patchblox.com/security/patch-radar. Terms, including what needs a written agreement: https://patchblox.com/security/patch-radar/use-the-data 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.