CVEs have been published or revised in the Security Update Guide September 4, 2025 These common vulnerabilities and exposures (CVEs) were recently published or revised in the Microsoft Security Update Guide: CVE-2025-54914 Title: Azure Networking Elevation of Privilege Vulnerability Version: 1.0 Reason for revision: Information published. Originally released: September 4, 2025 Last updated: September 4, 2025 Aggregate CVE severity rating: Critical Customer action required: No CVE-2025-55238 Title: Dynamics 365 FastTrack Implementation Assets Information Disclosure Vulnerability Version: 1.0 Reason for revision: Information published. Originally released: September 4, 2025 Last updated: September 4, 2025 Aggregate CVE severity rating: Critical Customer action required: No CVE-2025-55241 Title: Azure Entra Elevation of Privilege Vulnerability Version: 1.0 Reason for revision: Information published. Originally released: September 4, 2025 Last updated: September 4, 2025 Aggregate CVE severity rating: Critical Customer action required: No CVE-2025-55242 Title: Xbox Certification Bug Copilot Djando Information Disclosure Vulnerability Version: 1.0 Reason for revision: Information published. Originally released: September 4, 2025 Last updated: September 4, 2025 Aggregate CVE severity rating: Critical Customer action required: No CVE-2025-55244 Title: Azure Bot Service Elevation of Privilege Vulnerability Version: 1.0 Reason for revision: Information published. Originally released: September 4, 2025 Last updated: September 4, 2025 Aggregate CVE severity rating: Critical Customer action required: No
September 9, 2025—KB5065426 (OS Build 26100.6584) Applies To: Windows 11 version 24H2, all editions https://support.microsoft.com/en-us...100-6584-77a41d9b-1b7c-4198-b9a5-3c4b6706dea9 ----- September 9, 2025—KB5065429 (OS Builds 19044.6332 and 19045.6332) Applies To: Windows 10 Home and Pro, version 21H2 Windows 10 Enterprise and Education, version 21H2 Windows 10 IoT Enterprise, version 21H2 Windows 10 Home and Pro, version 22H2 Windows 10 Enterprise Multi-Session, version 22H2 Windows 10 Enterprise and Education, version 22H2 Windows 10 IoT Enterprise, version 22H2 https://support.microsoft.com/en-us...045-6332-b343e907-4f50-41d9-80f8-519490551b91 ------ Microsoft September 2025 Patch Tuesday fixes 81 flaws, two zero-days https://www.bleepingcomputer.com/ne...5-patch-tuesday-fixes-81-flaws-two-zero-days/
September 9, 2025 Microsoft is aware of the recent Chromium security fixes. We are actively working on releasing a security fix.
CVEs have been published or revised in the Security Update Guide September 17, 2025 These common vulnerabilities and exposures (CVEs) were recently published or revised in the Microsoft Security Update Guide: CVE-2025-48807 Title: Windows Hyper-V Remote Code Execution Vulnerability Version: 2.0 Reason for revision: To comprehensively address CVE-2025-48807, Microsoft has released September 2025 security updates for the following versions of Windows: Windows Server 2016 and newer, x64-based editions of Windows 10 Version 1607 and Windows 10 Version 1809, and all supported versions of Windows 10 Version 21H2 and newer and Windows 11 Version 22H2 and newer. Microsoft recommends that customers install the update to be fully protected from the vulnerability. Customers whose systems are configured to receive automatic updates do not need to take any further action. Originally released: August 12, 2025 Last updated: September 9, 2025 Aggregate CVE severity rating: Critical Customer action required: Yes CVE-2025-50154 Title: Microsoft Windows File Explorer Spoofing Vulnerability Version: 1.1 Reason for revision: Updated one or more CVSS scores for the affected products. This is an informational change only. Originally released: August 12, 2025 Last updated: September 17, 2025 Aggregate CVE severity rating: Important Customer action required: Yes
September 18, 2025 Microsoft is aware of the recent exploits existing in the wild. We are actively working on releasing a security fix.
September 22, 2025—KB5068221 (OS Build 26100.6588 ) Out-of-band Applies To: Windows 11 version 24H2, all editions https://support.microsoft.com/en-us...-of-band-4ff7f1be-b1f7-410f-b380-4aab5ba5fe2b Note: To install this update, use one of the following Windows and Microsoft release channels. Via Windows Update: Not available, see the other options. Via Microsoft Update Catalog: Available.
September 23, 2025—KB5065790 (OS Build 22621.5984) Preview Applies To: Windows 11 version 23H2, all editions https://support.microsoft.com/en-us...-preview-cb0b964a-c953-4605-a203-572dde2d9433
September 23, 2025 Microsoft is aware of the recent Chromium security fixes. We are actively working on releasing a security fix.
