Microsoft rolled out its newest cumulative replace for Home windows 10, model 21H2 and 22H2, in addition to Home windows 10 Enterprise LTSC 2021 and Home windows 10 IoT Enterprise LTSC 2021.
The replace, recognized as KB5062554 (OS Builds 19044.6093 and 19045.6093), consists of important safety fixes and high quality enhancements to boost system stability and efficiency. Moreover, Microsoft issued a servicing stack replace (KB5063706) to enhance the reliability of the replace course of.
Microsoft’s launched this replace together with July 2025 Patch Tuesday addresses 130 vulnerabilities which Microsoft fixes 41 Distant Code Execution, 53 Elevation of Privilege, 18 Info Disclosure, 5 Denial of Service, 4 Spoofing, 1 Information Tampering vulnerability, and eight Safety Function Bypass points.
Key Particulars of the Replace
This replace applies to Affected Methods:
Home windows 10, model 22H2 (all editions)
Home windows 10 Enterprise LTSC 2021
Home windows 10 IoT Enterprise LTSC 2021
Safety and High quality Enhancements
The KB5062554 replace incorporates fixes and enhancements from earlier updates, together with:
June 10, 2025—KB5060533 (OS Builds 19044.5965 and 19045.5965)
June 24, 2025—KB5061087 (OS Construct 19045.6034, Preview)
Microsoft highlighted miscellaneous safety enhancements to inner Home windows OS performance, although no particular points had been detailed within the launch notes. The replace addresses vulnerabilities outlined within the July 2025 Safety Updates, accessible on the Microsoft Safety Response Heart (MSRC) Safety Replace Information.
Home windows Safe Boot Certificates Expiration
Microsoft issued an necessary discover concerning Safe Boot certificates, that are set to run out beginning in June 2026 for many Home windows units.
This expiration may disrupt safe booting on private and enterprise units if not addressed. Microsoft recommends reviewing the steering on Home windows Safe Boot certificates expiration and CA updates and taking proactive steps to replace certificates to keep away from potential points.
The replace features a servicing stack replace (SSU) for OS Builds 19044.6088 and 19045.6088. The SSU enhances the reliability of the replace course of, mitigating potential set up points. Microsoft now combines the newest SSU with the cumulative replace (LCU) to streamline deployment.
Microsoft famous a recognized situation associated to Noto fonts, although particular particulars weren’t supplied within the launch notes. Customers can discover extra data on the Home windows launch well being dashboard or the Home windows message middle.
How you can Get the Replace
Home windows Replace: Gadgets related to Home windows Replace will mechanically obtain and set up the replace.
Microsoft Replace Catalog: Customers can manually obtain the standalone package deal from the Microsoft Replace Catalog.
Home windows Server Replace Companies (WSUS): For enterprise deployments, the replace is offered through WSUS.
For units with out the Might 11, 2021 (KB5003173) or later LCU, the standalone August 10, 2021 SSU (KB5005260) should be put in first.
For offline OS picture servicing, if the picture lacks the July 25, 2023 (KB5028244) or later LCU, the standalone October 13, 2023 SSU (KB5031539) should be put in earlier than making use of this replace.
Microsoft urges customers to put in the KB5062554 replace promptly to make sure methods are protected towards the newest safety vulnerabilities and profit from high quality enhancements.
For detailed data on the replace, together with vulnerability particulars, customers can confer with the MSRC Safety Replace Information or the Home windows 10, model 22H2 replace historical past web page.
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