← Home

Windows 10 Gets Big Security Patch: 120 Flaws Fixed

Remote Desktop warnings, Secure Boot get attention in new KB5087544 update.

By Leah Becker·Software & Web Lead·May 12, 2026·2 min read
Windows 10 Gets Big Security Patch: 120 Flaws Fixed
Image source: BleepingComputer

Microsoft just pushed out the Windows 10 KB5087544 update. It's a big one, tackling a pile of security flaws and tightening up system protections. Running Windows 10 Enterprise LTSC? Part of the Extended Security Updates (ESU) program? You can grab it now, right from your system settings.

Why's it a big deal? It squashes 120 vulnerabilities, all flagged in the May 2026 Patch Tuesday. And here's one for the books: a fix for those wonky Remote Desktop Connection security warnings. You know, the ones that show up wrong, especially on multi-monitor setups with different scaling. That issue? It popped up right after April's security update.

Sponsored· Amazon
Sharpen your skills

The bestselling tech books, courses and dev tools right now.

Shop dev resources

What's New, What's Fixed

Microsoft isn't adding new features to Windows 10 anymore, we know that. But the KB5087544 update still packs critical security patches and bug squashes. It also brings some solid Secure Boot improvements:

  • The Windows Security App now shows dynamic status for Secure Boot states.
  • Better device targeting data for quality updates. This means your devices will only get new Secure Boot certificates once they hit specific update milestones.
  • And, hey, it supports daylight savings time changes in Egypt, after government orders.

But wait, there's a catch. Microsoft's warned about a known issue. If you're running a specific BitLocker Group Policy setup, the update might ask you for your BitLocker recovery key. Post-update. Annoying, right? They've got a temporary fix, though: tweak your policies, then suspend and resume BitLocker.

Europe's Take

For European enterprises, this update is pretty crucial. Europe, with its tough data protection and IT security rules, will care. Those Secure Boot enhancements? They fit right in with those European regulations, giving businesses on Windows 10 better security.

So, What's the Bottom Line?

If you're on Windows 10, especially in an enterprise, you need this. Installing it is key to staying safe from security holes. And that Remote Desktop warning fix? A real boon for businesses with remote setups. No more weird pop-ups.

What We Don't Know Yet

Sure, the update cleans up a bunch of stuff. But we still don't have a permanent fix for that BitLocker recovery key prompt. Microsoft hasn't said when they'll sort it out for good.

Why This Matters

The KB5087544 update shows Microsoft is still serious about Windows 10 security. It plugs a ton of holes, makes systems safer. For European enterprises, especially, it's critical for maintaining secure operations. It's a solid win for staying protected.

Sponsored · Affiliate link
Sharpen your skills

The bestselling tech books, courses and dev tools right now.

Shop dev resources
#windows 10#microsoft#security update#remote desktop#secure boot

More from Software

From other sections

Don’t miss these