Wire · technology
Microsoft releases Windows 10 KB5122878 extended security update
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Enterprise Software
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United States
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Fusion42 · 8 September 2026 · Fusion42 review
Microsoft has released the Windows 10 KB5122878 extended security update to address security vulnerabilities and extend support for older Windows 10 versions.
This Wire brief sits within Fusion42's coverage of Enterprise Software.
◆ ◆ The Wire takeaway
You face a hardened timeline to patch older Windows 10 builds as Microsoft extends and enforces update support. This creates a narrower window for compliance if your software or security tools rely on legacy systems.
◆ Coverage
1 source · 8 Sep 2026
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Enterprise Softwaremicrosoftwindows-10security-updatepatchcybersecurity