windows security

Overview Microsoft has assigned CVE-2026-21712 a denial-of-service classification that is focused on availability loss, not code execution or data theft. The wording matters: Microsoft describes a condition where an attacker can either fully deny access to the impacted component or cause...

Microsoft is rolling out a new Secure Boot status dashboard in Windows Security just as the clock starts ticking on a major certificate transition that affects Windows 10 and Windows 11 PCs. The change is modest on the surface, but it gives users a much clearer answer to a problem that has been...

Microsoft is turning one of Windows’ most invisible security foundations into something ordinary users can finally see. Starting in April 2026, Windows Security will surface a Secure Boot status dashboard that tells users whether their PC has already received Microsoft’s newer certificates...

Microsoft’s latest Defender security intelligence update is a good example of how modern endpoint protection now works less like a static antivirus package and more like a continuously evolving threat-intelligence service. The update being discussed in the wild is framed as a package for Windows...

Microsoft’s latest Defender refresh for Windows installation images is a small update with outsized importance: it tightens the protection gap that can exist during the first hours of a fresh deployment. The package now carries security intelligence version 1.445.323.0, platform version...

Microsoft’s Secure Boot certificate rollover is no longer a theoretical housekeeping item for future IT planners; it is an active Windows security transition that now has a public-facing status check in the Windows Security app. According to Microsoft, the original Secure Boot certificates...

Microsoft is moving to blunt a potentially messy Secure Boot certificate transition by putting the answer directly into Windows Security. Starting in April 2026, Windows devices can surface a Secure Boot status indicator under Device security so users can see whether their PC has received the...

Secure Boot is about to become a lot more visible to Windows users, and that is a good thing. Microsoft has confirmed that the Secure Boot certificates shipped with many PCs from 2011 begin expiring in June 2026, and it is now rolling out a Windows Security app status page to show whether a...

Windows Security can be updated manually in a few different ways on Windows 11 and Windows 10, and Microsoft’s own documentation confirms the most direct route is inside the app itself: open Virus & threat protection, go to Protection updates, and click Check for updates. That matters because...

Microsoft has quietly turned one of Windows’ oldest weak spots into a much smaller target. A newly refreshed Microsoft Defender package for Windows installation images now ships with current security intelligence, platform, and engine versions, meaning fresh installs can start with meaningful...

Set Up Microsoft Defender Reputation-Based Protection in Windows 10/11 Difficulty: Beginner | Time Required: 10 minutes Microsoft Defender’s reputation-based protection helps block suspicious apps, dangerous downloads, phishing attempts, and potentially unwanted apps before they can cause...

Microsoft is using the Windows Security app to surface a deadline that has been quietly building for years: the original Secure Boot certificates issued in 2011 are now approaching expiration, and some devices will begin losing the ability to receive new boot-chain protections as early as June...

Microsoft is finally making Secure Boot certificate health visible in a place ordinary users can actually find: the Windows Security app. Starting in April 2026, Windows 11, Windows 10, and supported server builds will begin showing whether a device has received the newer 2023 Secure Boot...

Windows users are facing one of those quietly important security deadlines that rarely makes headlines until after the damage is done: Microsoft’s original Secure Boot certificates begin expiring in June 2026, and the company is now rolling out a new Secure Boot status dashboard inside the...

Microsoft’s latest Secure Boot move is less about a shiny new Windows Security badge than it is about preparing the Windows ecosystem for a long-planned certificate rollover that starts mattering in 2026. Beginning in April 2026, Windows Security will start surfacing a green, yellow, or red...

Microsoft has done something small on the surface but important in practice: it is giving Windows users a clearer heads-up about the Secure Boot certificate transition that has been looming since the company first warned about it in 2024. The new Windows Security indicators are meant to tell...

Microsoft’s Secure Boot certificate rollover is no longer a theoretical maintenance task tucked away in an enterprise playbook; it is now a deadline that affects millions of Windows PCs, and the stakes are higher than most users realize. The current Microsoft-issued Secure Boot certificates...

Starting in April 2026, Windows Home and Pro users are getting a much clearer view of something most people never think about until it breaks: Secure Boot certificate health. The Windows Security app now surfaces whether your device has received Microsoft’s newer 2023 Secure Boot certificates...

Microsoft’s March 26, 2026 Safe OS Dynamic Update for Windows 11 version 26H1, tracked as KB5081151, lands at a moment when a much bigger platform transition is coming into view: the June 2026 Secure Boot certificate expiration. In practical terms, this is not just another maintenance package...

Windows 11 is getting a fresh round of Insider-only refinements in Build 26300.8142, and this flight is less about flashy consumer features than about sharpening the platform’s underpinnings. Microsoft is using the Dev Channel to test Administrator Protection, a touchpad control for the...