patch tuesday

Microsoft patched CVE-2026-45595, a Windows Mark of the Web security feature bypass vulnerability rated Important, as part of the June 9, 2026 Patch Tuesday release for supported Windows systems. The bug matters less because it is glamorous than because it touches one of Windows’ quietest lines...

Microsoft disclosed CVE-2026-45604 on June 9, 2026, as an Important-rated Windows Managed Installer information disclosure vulnerability in the Windows Application Identity subsystem, shipping it inside a very large June Patch Tuesday release that addressed roughly 200 Microsoft flaws. The bug...

Microsoft’s June 2026 Patch Tuesday, released on June 9, delivers security fixes for roughly 200 disclosed vulnerabilities across Windows, Office, Azure, Exchange Online, Microsoft Graph, SQL Server, and related services, including 32 bugs Microsoft rated critical and a Talos Snort ruleset...

Microsoft disclosed CVE-2026-45593 on June 9, 2026, as a Windows SDK elevation-of-privilege vulnerability in its Security Update Guide, placing a developer-facing component into the same Patch Tuesday risk conversation usually dominated by Windows kernel, browser, and server flaws. The important...

Microsoft has published CVE-2026-45592 as a Windows Internet (wininet.dll) elevation-of-privilege vulnerability in the Security Update Guide on June 9, 2026, signaling that supported Windows systems should receive the applicable June security update even though public technical detail remains...

Microsoft released Windows 10 KB5094127 on June 9, 2026, as the June Patch Tuesday cumulative update for Windows 10 22H2 systems covered by Extended Security Updates, raising eligible PCs to build 19045.7417 and adding File Explorer search fixes, Secure Boot certificate status reporting, and...

Microsoft disclosed CVE-2026-42835 on June 9, 2026, as a high-severity Microsoft Teams for Android information disclosure vulnerability that can let an authorized attacker disclose information over a network through an injection weakness in the app. The headline is not that Teams for Android...

Microsoft has disclosed CVE-2026-42828, an elevation-of-privilege vulnerability in the Windows Projected File System, as part of its June 2026 security guidance for Windows systems, with the practical risk centered on local attackers who already have some access and are trying to turn that...

On June 9, 2026, Microsoft disclosed CVE-2026-40371, an Important-rated elevation-of-privilege vulnerability in Microsoft Dynamics 365 on-premises, as part of its June Patch Tuesday security release for Windows, server, cloud, developer, and business-application products. The bug is not the...

Microsoft disclosed CVE-2026-49161 on June 9, 2026, as an Important-rated security feature bypass vulnerability in Microsoft PC Manager, part of the company’s June Patch Tuesday release, which also covered roughly 200 Microsoft vulnerabilities across Windows, Office, Exchange, developer tools...

Microsoft published CVE-2026-48578 on June 9, 2026, describing an Important-rated Windows Secure Boot security feature bypass that can let a highly privileged local attacker defeat Secure Boot protections across supported Windows client and server releases. The short version is simple enough for...

Microsoft disclosed CVE-2026-48575 on June 9, 2026, as an Important Windows Secure Boot security feature bypass affecting supported Windows client and server releases, with official fixes issued through security updates and no public disclosure or exploitation reported at publication time. The...

Microsoft disclosed CVE-2026-48570 on June 9, 2026, as an Important-rated Windows Secure Boot security feature bypass affecting supported Windows client and server releases, with official fixes available and Microsoft saying exploitation is less likely and not publicly disclosed or observed in...

Microsoft disclosed CVE-2026-48568 on June 9, 2026, as an Important-rated Windows Secure Boot security feature bypass that can be exploited locally by an authorized attacker and is addressed through June Patch Tuesday updates across supported Windows client and server releases. The advisory is...

Microsoft published CVE-2026-48566 on June 9, 2026, as an Important-rated Windows DWM Core Library information disclosure vulnerability, addressed in the June Patch Tuesday updates for supported Windows client and server systems through the normal cumulative update channel. The bug is not the...

Microsoft disclosed CVE-2026-48563 on June 9, 2026, as a Critical remote code execution vulnerability in the Windows Remote Desktop Client, part of a June Patch Tuesday release that also included multiple other Remote Desktop Client flaws across supported Windows releases. The headline is not...

Microsoft released the June 2026 Patch Tuesday updates for Windows 11 on June 9, shipping KB5094126 for versions 25H2 and 24H2, KB5093998 for version 23H2, and KB5095051 for Arm-only version 26H1 PCs, with security fixes and several gradually rolling features. The headline is not that Patch...

Microsoft’s June 9, 2026 Security Update Guide entry for CVE-2026-47652 identifies a Windows Hyper-V remote code execution vulnerability in Microsoft’s virtualization stack, with the vendor’s own advisory serving as the authoritative confirmation that the flaw exists and has been assigned a...

Microsoft has listed CVE-2026-47653 as a Remote Desktop Client remote code execution vulnerability in its Security Update Guide, published for Windows administrators tracking the June 9, 2026 security release, but the public advisory currently exposes more risk signaling than deep root-cause...

Microsoft disclosed CVE-2026-45588 on June 9, 2026, as an Important-rated Windows Secure Boot security feature bypass affecting supported Windows client and server releases, with official fixes published for Windows 10, Windows 11, Windows Server 2012 through 2025, and related Server Core...