Cve 2026 49787
The latest Cve 2026 49787 coverage — news, analysis, and updates from the WindowsNews.AI desk.
Microsoft Fixes Windows TCP/IP Flaw That Could Give Attackers Full System Control
Microsoft's July 2026 Patch Tuesday includes a fix for CVE-2026-50306, a high-severity use-after-free vulnerability in the Windows TCP/IP stack. The flaw allows local attackers with limited privileges to gain system-level access, posing a serious post-exploitation risk. All supported Windows versions are affected, and users should install the latest cumulative updates immediately.
Microsoft Fixes 8.8-Rated SMB Privilege Escalation – Patch Your Windows Servers Now
Microsoft’s July 14, 2026 security updates fix CVE-2026-50360, an 8.8-rated SMB server privilege escalation that allows authenticated attackers to remotely seize control of vulnerable Windows systems. The flaw affects Windows 10, 11, Server 2022, and 2025, and requires no user interaction. This article details the affected builds, patch steps, and network hardening measures to protect file servers, admin workstations, and other SMB listeners before the vulnerability is exploited in the wild.
Microsoft Pulls July 2026 Windows 11 Update from Dell PCs After Intel Driver Conflicts Cause Shutdowns
Microsoft has placed a safeguard hold on July 2026's Patch Tuesday update (KB5101650) for certain Dell PCs running Windows 11, due to a conflict between a new Windows USB-C interface and an Intel driver. Affected machines may suffer slowdowns, overheating, battery drain, or unexpected shutdowns. The hold will remain until Microsoft and Dell release a fix, expected within days. In the meantime, administrators should not bypass the block and should inventory potentially affected systems that installed the earlier June preview update.
July 2026 Windows Updates Patch an Unauthenticated AD FS Vulnerability That Could Crash Authentication Services
Microsoft’s July 2026 Patch Tuesday includes a fix for CVE-2026-50304, a denial-of-service vulnerability in Active Directory Federation Services that requires no authentication and can disrupt user logins. Administrators should patch all AD FS servers immediately, especially those exposed to the internet, and validate authentication flows afterward.
Microsoft Silently Patches WSUS Crash Flaw—Your Patch Server Could Be a Single Click Away From Collapse
Microsoft's July 14, 2026 security update patches CVE-2026-50328, a vulnerability that lets remote attackers crash WSUS servers without authentication. The flaw disrupts patch distribution across enterprises, and although no exploits are yet known, the network-based attack vector demands prompt action. Admins should immediately install the monthly cumulative update on all WSUS hosts and lock down access to prevent denial-of-service.
Windows 11 July 2026 Update Fixes Critical Kernel Flaw — Here’s How to Check If You’re Patched
Microsoft's July 14, 2026 security update patches a use-after-free vulnerability in Windows Secure Kernel Mode, CVE-2026-50392, which allows local privilege escalation on Windows 11 and Windows Server 2025. The flaw is rated Critical with a CVSS score of 7.0, and while no active exploitation has been reported, the nature of the bug demands prompt patching. Affected users and administrators should immediately verify their build numbers against the fixed versions and apply the cumulative update.
New Windows Patch Fixes 7.8-Rated Escalation Flaw in Desktop Window Manager – Install Now
Microsoft patched CVE-2026-50329, a use-after-free privilege escalation in the Windows Desktop Window Manager that scores 7.8 on the CVSS scale. The July 2026 Patch Tuesday fix affects all supported Windows and Server versions, requiring only local access and low privileges to potentially gain SYSTEM control, and should be deployed quickly, especially on multi-user systems.
CVE-2026-50305: July 14 Update Fixes a Use-After-Free Flaw That Could Give Attackers SYSTEM Access
Microsoft’s July 14, 2026 Patch Tuesday includes a fix for CVE-2026-50305, a use-after-free privilege escalation in Windows’ Brokering File System. The update brings Windows 11 24H2 to build 26100.8875 and 25H2 to 26200.8875 via KB5101650, while Windows Server 2025 is patched with KB5099536. Although no active exploitation has been observed, the flaw’s local attack vector and high impact require prompt patching.
Microsoft Patches Windows Certificate Bypass Vulnerability — Here’s What You Need to Install
Microsoft patched CVE-2026-50302, a Windows certificate validation bypass, in its July 2026 updates. The vulnerability could allow network attackers to trick systems into trusting malicious content, but requires user interaction. All Windows users should install the latest cumulative updates to mitigate the risk.
Microsoft's July 2026 Security Update Blocks Low-Complexity Kernel Exploit on All Windows Versions
Microsoft's July 2026 Patch Tuesday fixes a heap-based buffer overflow in the Windows kernel that could let a local attacker gain full system privileges. Although no active exploitation has been detected, the low-complexity flaw warrants prompt patching on all supported Windows versions from Windows 10 to Server 2025.
Patch Now: Microsoft Fixes Windows Backup Flaw That Hands Over Full System Control
CVE-2026-50364 is a high-severity local privilege escalation vulnerability in the Windows Backup Service that affects Windows 10 and 11 clients. Patched in Microsoft's July 14, 2026 updates, it could let an attacker with low privileges gain full control of a system. Users and admins should install the offering cumulative updates immediately and verify build numbers.
Microsoft's Latest Patch Prevents Attackers from Reading Your Windows Encryption Keys
Microsoft's July 2026 Patch Tuesday fixes CVE-2026-50303, a Windows Key Guard vulnerability that could let a local attacker read confidential cryptographic keys. The flaw affects all supported Windows versions, but requires local access and low privileges. This article explains what the patch does, who is at risk, and how to ensure your system is protected.
Microsoft’s July Patch Closes a Kernel-Level Data Leak in Windows: All Versions Affected
On July 14, 2026, Microsoft patched CVE-2026-50381, a type-confusion vulnerability in the Windows CimFS kernel driver that can leak sensitive data from all supported versions. The attack requires local access but no user interaction; all Windows users and administrators should immediately deploy the cumulative update to prevent information theft.