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Microsoft extends Windows 10 consumer security updates through October 2027

Feeds.4Sysops •IT News • July 13, 2026

Microsoft has begun notifying Windows 10 users via email that the free consumer Extended Security Updates (ESU) program now runs until October 12, 2027. This extension provides users with an additional year of protection beyond the previously established deadlines for the aging operating system. Interestingly, some email clients have flagged these official notifications as spam, potentially leaving many users unaware of the revised support timeline. Source

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Microsoft Releases Critical Security Update for Windows 10 Addressing 570 Vulnerabilities On July 14, 2026, Microsoft released the Windows 10 KB5099539 extended security update, addressing a record 570 vulnerabilities, including two actively exploited zero-day flaws. This update is part of the July 2026 Patch Tuesday cycle and extends the free Extended Security Updates (ESU) program for consumers until October 12, 2027. The update primarily includes security fixes and bug corrections, with significant changes to TDI transport registration requirements that may affect legacy applications. Users running Windows 10 Enterprise LTSC or enrolled in the ESU program can install this update via Windows Update. The update also introduces security hardening changes for Remote Desktop Protocol (RDP) and addresses compatibility issues in OLE Automation and File Explorer. Organizations are advised to migrate to SHA-256 thumbprints for RDP to mitigate phishing risks. The update is crucial for maintaining security as Microsoft no longer releases new features for Windows 10. 4 sources 73

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Windows 10