Windows 10 refuses to die, and the security bill is coming due
One in six machines still run the old OS as migration stalls and patch deadlines creep closer
Windows 10 is Microsoft’s operating system; its vulnerabilities, security updates, and end-of-support status affect endpoint security and exposure.
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Background for this topic.
Windows 10 is Microsoft’s desktop operating system, deployed on personal computers and many business endpoints. Its security model includes built-in malware protection, automatic update mechanisms, drive encryption through BitLocker, and hardware-backed protections such as Credential Guard and virtualization-based security when supported and enabled. These controls reduce risk but depend on suitable hardware, correct configuration, and administrative enforcement.
Windows 10 is especially relevant to vulnerability management because regular support for most editions ended on 14 October 2025. Systems that remain in service without an applicable extended-security arrangement may no longer receive fixes for newly discovered vulnerabilities, increasing the importance of asset inventory, supported-version migration, network restriction, application control, and compensating controls. Security teams should distinguish standard editions from long-term-servicing releases, verify update eligibility, and treat unpatched Windows 10 hosts as higher-priority targets during threat monitoring and incident response.
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One in six machines still run the old OS as migration stalls and patch deadlines creep closer
Released from the curse of the update bork fairy Microsoft has finally fixed a Windows Recovery Environment (WinRE) bug it introduced in Windows 10's final update.…
After a £312M upgrade to the retiring OS, Defra still has 24,000 devices to replace The UK's Department for Environment, Food & Rural Affairs (Defra) has spent £312 million (c $407 million) modernizing its IT estate, including replacing tens of thousands of Windows 7 laptops with Windows 10 – which officially reached end of support last month.…
Doing a simple system reset may not be enough to save you from fines and lawsuits With the end of Windows 10's regular support cycle fast approaching, and a good five years since the COVID pandemic spurred a wave of hardware replacements to support remote work, many IT departments are in the process of refreshing their fleets. But what they do with decommissioned systems is just as important as the shiny new ones they buy.…
Nexthink estimates ESU bills could top $7.3B as millions of devices set to miss upgrade deadline Free support is ending for many editions of Windows 10 on October 14, and enterprises unable to make the jump are on the hook for billions to keep the fixes flowing.…
Support for the underlying OS is another story Microsoft has pledged to support and issue security fixes for M365 apps on Windows 10 into late 2028. That's well past a cut-off point of October 14 this year, when Redmond's support for Windows 10 officially ends unless you buy an extended support package.…
A novel way to encourage upgrades? Microsoft would never stoop so low Patch Tuesday Patch Tuesday has arrived, and Microsoft has revealed one flaw in its products under active exploitation and 11 critical issues in its code to fix.…
CISA wants you to leap on Citrix and Ivanti issues. Adobe, Intel, SAP also bid for patching priorities Patch Tuesday Another Patch Tuesday has dawned, as usual with the unpleasant news that there are pressing security weaknesses and blunders to address.…
Limited options will be available into 2028, for an undisclosed price Microsoft on Tuesday warned that full security support for Windows 10 will end on October 14, 2025, but offered a lifeline for customers unable or unwilling to upgrade two years hence.…
Microsoft issues a workaround for problem while it works on a fix Some users running Windows 10 who installed the KB5021233 cumulative update this month are seeing their operating system crash with the Blue Screen of Death, Microsoft is warning.…
Hope no one was relying on that to block threats, er, yeah? Microsoft appears to have woken up and realized it may have left certain Windows Server and Windows 10 systems exposed to exploitable drivers for years.…
Windows 10 and Server systems unprotected since 2019 Microsoft appears to have finally fixed a driver issue that left some Windows Server and 10 systems exposed to vulnerable drivers.…