Microsoft is rolling out its June 2026 Patch Tuesday update for Windows 11. The release addresses a cross-site scripting vulnerability in Exchange Server's Outlook Web Access. Microsoft assigned the identifier CVE-2026-42897 to this security flaw. The patch also resolves installation failures on devices with less than 10 MB of space on the EFI System Partition.
New features and security patches arrive for the operating system
The update introduces new features for Windows 11 users. Shared Audio now supports Bluetooth LE Audio broadcast functionality. Multi-App Camera support allows multiple applications to access camera feeds simultaneously. Task Manager adds tracking capabilities for Neural Processing Unit utilization, active engines, and memory allocations.
Enterprises must address firmware compliance as part of this update cycle. The patch helps organizations migrate to Windows UEFI CA 2023 certificates before the June 24 expiration deadline. The change maintains compatibility with current secure boot requirements on existing devices.
The software operates globally without regional restrictions. The update is available via Windows Update for all supported Windows 11 editions. The release targets both consumer and enterprise environments simultaneously.
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