Windows 11 'Win32 app isolation' security feature now in preview
Microsoft announced the public preview launch of Win32 app isolation, a new Windows 11 security feature specifically designed to sandbox 32-bit desktop applications. [...]
Windows 11 is Microsoft's desktop operating system, whose updates, security controls, and flaws affect the protection of PCs and their data.
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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 announced the public preview launch of Win32 app isolation, a new Windows 11 security feature specifically designed to sandbox 32-bit desktop applications. [...]
The Windows 11 22H2 KB5027231 cumulative update released during this month's Patch Tuesday also breaks Google Chrome on systems protected by Cisco and WatchGuard EDR and antivirus solutions. [...]
Microsoft has released an optional fix to address a Kernel information disclosure vulnerability affecting systems running multiple Windows versions, including the latest Windows 10, Windows Server, and Windows 11 releases. [...]
Malwarebytes confirmed today that the Windows 11 22H2 KB5027231 cumulative update released this Patch Tuesday breaks Google Chrome on its customers' systems. [...]
Microsoft has addressed a known issue causing intermittent failures when saving and copying files on Windows 11 22H2 devices (especially when working with network shares). [...]
Microsoft has released the Windows 11 22H2 KB5027231 cumulative update to fix security vulnerabilities and introduce 34 changes, improvements, and bug fixes. [...]