Windows 10 KB5065429 mandatory cumulative security update
Security Patch Release
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Microsoft's mandatory KB5065429 update for Windows 10 22H2 and 21H2 patches two publicly disclosed zero-days and 81 flaws, reducing exposure on systems that remain on Windows 10. The release also delivers non-security fixes for unexpected UAC prompts and NDI streaming software lag and stuttering. Administrators can deploy it through Windows Update or the Microsoft Update Catalog.
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Timeline
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09.09.2025 20:57 2 articles · 8mo ago
Microsoft releases mandatory Windows 10 KB5065429 cumulative update
Initial DisclosureMicrosoft released KB5065429 for Windows 10 22H2 and Windows 10 21H2 as a mandatory September 2025 Patch Tuesday cumulative update. The update delivers 14 fixes and changes, including remediation for unexpected UAC prompts and NDI streaming lag and stuttering, along with new SMB client compatibility auditing for SMB Server signing and SMB Server EPA, an opt-in outbound network traffic feature for administrators, and Windows Backup for Organizations becoming generally available.
Show sources
- Windows 10 KB5065429 update includes 14 changes and fixes — www.bleepingcomputer.com — 09.09.2025 20:57
- Windows 10 KB5065429 update includes 14 changes and fixes — www.bleepingcomputer.com — 09.09.2025 20:57