patch tuesday

Microsoft released the June 2026 Patch Tuesday update for Windows 11 on June 9, bringing KB5094126 to versions 24H2 and 25H2 and moving systems to OS builds 26100.8655 and 26200.8655 with security fixes, shell performance changes, camera sharing, Bluetooth audio sharing, richer NPU reporting...

Microsoft released the June 2026 Windows 11 cumulative update on June 9 for versions 24H2 and 25H2, delivering KB5094126 with OS builds 26100.8655 and 26200.8655, a broader rollout of Low Latency Profile, AI-adjacent interface changes, accessibility updates, and security fixes. The headline...

Microsoft’s June 9, 2026 Patch Tuesday delivered fixes for more than 200 vulnerabilities across Windows, Office, Exchange, Defender, Hyper-V, and server components, led by a wormable Windows kernel TCP/IP flaw that can be exploited remotely without credentials or user interaction. The raw number...

Microsoft began rolling out Windows 11’s June 2026 security update, KB5094126, on June 9 for Windows 11 versions 24H2 and 25H2, raising PCs to builds 26100.8655 and 26200.8655 while introducing a new Low Latency Profile meant to make everyday interactions feel faster. The feature is not a...

Microsoft says Windows security updates released on or after June 9, 2026, may stop some custom folder icons and localized folder display names from appearing because Windows now ignores desktop.ini files whose source it cannot verify as trusted. That is not a cosmetic bug in the usual Patch...

Microsoft has warned that some PCs upgraded from Windows 10 21H2, Windows 10 22H2, or Windows 11 23H2 to Windows 11 24H2 or 25H2 may fail to install future monthly cumulative updates, with affected systems showing errors 0x80073712 or 0x800f0993 after the upgrade. The bad news is not that...

A security researcher using the name Nightmare Eclipse released a new Windows zero-day called RoguePlanet on June 10, 2026, hours after Microsoft’s June Patch Tuesday, claiming it can make Microsoft Defender spawn a SYSTEM-level command prompt on patched Windows 10 and Windows 11 machines. The...

Microsoft’s June 2026 Patch Tuesday updates, released on June 9, fixed three publicly disclosed Windows zero-days tied to researcher Chaotic Eclipse, including YellowKey, a BitLocker bypass that abused Windows Recovery Environment behavior to expose protected drives on affected Windows 11 and...

Microsoft released its June 2026 Patch Tuesday updates on June 9, addressing a record 206 reported security flaws across Windows and related products, including three publicly disclosed zero-day vulnerabilities affecting CTFMON, HTTP.sys, and BitLocker that Microsoft says were not known to be...

Microsoft’s June 9, 2026 cumulative update KB5094126 for Windows 11 versions 24H2 and 25H2 is rolling out through Windows Update with a new Low Latency Profile that briefly raises CPU frequency to make app launches and core shell actions feel faster. The trick is simple enough to sound...

Microsoft’s June 9, 2026 Patch Tuesday delivered an unusually large Windows security load just weeks before long-lived Secure Boot certificates from 2011 begin expiring in late June, putting Windows 11 users and administrators on notice to review update, privacy, encryption, and hardening...

Microsoft’s June 9, 2026 Patch Tuesday release delivers cumulative Windows updates for Windows 11 25H2, 24H2, 23H2, and supported Windows 10 ESU/LTSC systems, addressing a record-sized security haul reported at 198 Windows flaws, including three publicly disclosed zero-days. It is the kind of...

Microsoft’s June 2026 Patch Tuesday landed on June 9 with KB5094126 for Windows 11 and KB5094127 for Windows 10, closing roughly 200 reported vulnerabilities across Windows, Office, Exchange, Azure, Remote Desktop, SharePoint, Hyper-V, Kerberos, and other Microsoft product lines. The important...

On June 9, 2026, Microsoft released its June Patch Tuesday updates for supported Windows versions and related products, fixing 208 newly disclosed vulnerabilities, including an actively exploited Microsoft Defender privilege-escalation flaw and several critical remote-code-execution bugs across...

Microsoft’s June 2026 Patch Tuesday, released on June 9, delivered roughly 200 fixes across Windows, Office, Visual Studio Code, Exchange, Azure components, and developer tooling, making it the largest monthly Microsoft security update on record. The size is the story, but not the whole story...

Microsoft released Windows 11 26H1 Build 28000.2269 as KB5095051 and Windows 11 23H2 Build 22631.7219 as KB5093998 on June 9, 2026, delivering June Patch Tuesday security fixes, Secure Boot servicing work, BitLocker reliability changes, File Explorer search fixes, AI component updates, and...

CVE-2026-42991 is a Microsoft-confirmed Windows Push Notifications elevation-of-privilege vulnerability disclosed on June 9, 2026, affecting supported Windows client and server releases and allowing a local authenticated attacker to gain higher privileges through a race-condition-style flaw. The...

Microsoft disclosed CVE-2026-42979 on June 9, 2026, as a high-severity Windows Push Notifications elevation-of-privilege vulnerability affecting Windows 10, Windows 11, Windows Server 2019, Windows Server 2022, and Windows Server 2025. The flaw is described as a local, authenticated attack...

Microsoft disclosed CVE-2026-42977 on June 9, 2026, as a high-severity Windows Push Notifications elevation-of-privilege vulnerability affecting supported Windows 10, Windows 11, and Windows Server releases, with Microsoft’s advisory describing a local race-condition flaw that requires an...

Microsoft published CVE-2026-42986 on June 9, 2026, as a high-severity Microsoft Graphics Component elevation-of-privilege vulnerability affecting supported Windows client and server releases, describing it as a local use-after-free flaw that requires an authorized attacker to already have low...