Windows 11 is Microsoft's desktop operating system, whose updates, security controls, and flaws affect the protection of PCs and their data.
Search across headline titles and summaries.
Background for this topic.
Windows 11 is Microsoft’s desktop operating system for personal computers and organizational endpoints. Its security model can use hardware-backed protections such as TPM 2.0 and Secure Boot, while virtualization-based security (VBS), credential isolation, Microsoft Defender, and Windows Hello help protect the boot process, credentials, and user sessions. These controls depend on compatible hardware, enabled policies, and correctly configured drivers and applications; they are not automatic protection against every attack.
For security teams, Windows 11 is a major vulnerability-management and endpoint-monitoring scope. Monthly updates address flaws that may enable privilege escalation, remote code execution, or security-control bypass, while third-party software, kernel drivers, and misconfigured services add attack surface. Organizations should maintain supported builds, test and deploy patches, verify Secure Boot and VBS posture, protect recovery and administrator credentials, and retain telemetry useful for detecting persistence or lateral movement. Hardware and configuration differences also matter when assessing exposure and forensic evidence.
Microsoft has addressed a known issue that made parts of the Task Manager unreadable after installing the KB5020044 November preview update on Windows 11 22H2 systems. [...]
Microsoft has removed a compatibility hold after fixing lower-than-expected performance or stuttering in some games affecting some Windows 11, version 22H2 systems. [...]
Microsoft has released its final monthly batch of security updates for 2022, fixing more than four dozen security holes in its various Windows operating systems and related software. The most pressing patches include a zero-day vulnerability in a Windows feature that tries to flag malicious files from the Web, a critical bug in PowerShell, and a dangerous flaw in Windows 11 systems that was detailed publicly prior to this week's Patch Tuesday.
Microsoft has released the Windows 11 KB5021255 and KB5021234 cumulative updates for versions 22H2 and 21H2 to fix security vulnerabilities and resolve twenty-nine bugs and performance issues. [...]
Microsoft is adding a built-in screen recorder to the Windows 11 Snipping Tool that will enable users to capture videos of their desktop without the need for a third-party app. [...]