Cve 2026 55135
The latest Cve 2026 55135 coverage — news, analysis, and updates from the WindowsNews.AI desk.
Microsoft Patches High-Severity Windows Media Flaw — Attackers Only Need You to Open a File
Microsoft's July 2026 security updates fix CVE-2026-57087, a critical 8.8-severity remote code execution flaw in Windows Media Foundation that can be triggered by a user opening a malicious file. All supported Windows versions are patched, but Windows 10 users without Extended Security Updates remain exposed. The article provides patching guidance, build verification steps, and deployment caveats.
Windows Server Patch Warning: High-Severity ESENT Bug Could Hand Attackers Full Control
Microsoft's July 14, 2026 security updates fix CVE-2026-57088, a high-severity privilege escalation flaw in the Windows Extensible Storage Engine (ESENT) that affects Windows Server 2019, 2022, and 2025, plus Windows 10 version 1809. A local attacker could exploit the bug to gain SYSTEM-level control. Administrators should immediately patch to the specified build numbers and prioritize interactive or shared servers.
Patch Now: Microsoft’s 9.9-Rated Hyper-V Vulnerability Demands Immediate Action
Microsoft released a critical patch for CVE-2026-57092, a 9.9-rated use-after-free vulnerability in Hyper-V's virtual switch that lets a low-privileged attacker in a guest VM compromise the host. The update covers all supported Windows versions from Windows 10 1607 to Server 2025, and administrators must prioritize Hyper-V hosts for immediate patching, especially multi-tenant environments and developer workstations. No public exploits exist yet, but the severity demands accelerated deployment.
Microsoft’s July 2026 Patch Closes High-Severity SMB Server RCE Hole: Who’s at Risk and What to Do Now
Microsoft's July 2026 Patch Tuesday fixes CVE-2026-57089, a high-severity use-after-free vulnerability in the Windows SMB server driver (srvnet.sys). While not wormable like past SMB flaws, the bug allows remote code execution over a network with user interaction, putting file servers, domain controllers, and any Windows device with SMB sharing at risk. We explain what the patch does, who needs it, and how to validate and harden your environment.
Microsoft Patches Critical Windows Media Foundation RCE (CVE-2026-57094) in July 2026 — Update Now
Microsoft's July 2026 Patch Tuesday fixes CVE-2026-57094, a critical heap-based buffer overflow in Windows Media Foundation that enables remote code execution with a CVSS score of 8.8. The vulnerability affects all supported Windows versions and requires user interaction to exploit, making it a prime target for phishing attacks. Users and administrators should immediately apply the cumulative updates to close the flaw, as it cannot be fully mitigated without patching.
Your Windows PC Is Vulnerable to a Single Malicious Video File — Until You Install This July Patch
Microsoft’s July 14, 2026 security update KB5101650 patches a critical Windows Media Foundation vulnerability (CVE-2026-57090) that allows attackers to take over a PC via a malicious media file. The fix, rated 8.8 CVSS, requires immediate installation on all Windows 11 24H2 and 25H2 systems, and is part of a larger cumulative update that resolves multiple Media Foundation RCE flaws.
Microsoft Urges Immediate Patching for Windows NFS Flaw That Grants SYSTEM Access to Attackers
Microsoft's July 2026 security updates address CVE-2026-56650, a high-severity privilege escalation flaw in Windows NFS that could let a local attacker gain SYSTEM-level control. The vulnerability affects a broad range of Windows versions and requires immediate patching, especially on systems where low-privilege access is common. No active exploits are known, but the risk of post-compromise takeover warrants rapid deployment.
Windows 11 July Update Closes Privilege Escalation Path That Could Elevate Attackers to SYSTEM
Microsoft's July 2026 Patch Tuesday includes a fix for CVE-2026-57095, a Win32k elevation-of-privilege vulnerability that could let local attackers gain SYSTEM rights. No active exploitation is known, but the update is critical for removing a common attack-chain element. Deployment requires careful attention to Dell-specific safeguard holds and legacy TDI transport compatibility.
Microsoft Patches Image Codec Flaw That Could Leak Memory—Install the July Updates Now
Microsoft's July 2026 Patch Tuesday includes a fix for CVE-2026-57083, an information-disclosure vulnerability in the Windows Media Photo codec that could leak uninitialized memory. While rated Important and requiring user interaction, the flaw affects a wide range of Windows versions and could aid attackers in chaining further exploits. Users should deploy the cumulative updates to close the hole, as no workarounds exist.
File Explorer Leak Patched: What CVE-2026-57084 Means for Windows Users
Microsoft's July 2026 Patch Tuesday fixes CVE-2026-57084, a File Explorer information-disclosure flaw requiring user interaction. Users should install the latest cumulative updates to prevent potential sensitive data leakage. The vulnerability is rated Important with no known exploitation, but prompt patching is advised given File Explorer's broad attack surface.
Microsoft Fixes Windows Remote Access Flaw That Turns Low-Level Access Into SYSTEM Control
Microsoft's July 2026 Patch Tuesday fixes CVE-2026-56647, an 8.8-severity elevation-of-privilege bug in Windows Remote Access Service Infrastructure. Exploitable over the network with low privileges, it could let attackers turn a compromised low-level account into full SYSTEM control. Admins should prioritize patching remote access servers and verify build numbers.
Microsoft Patches CVE-2026-56648: A Race Condition in NFS Server Threatens Windows Networks
Microsoft has patched CVE-2026-56648, a high-severity elevation-of-privilege flaw in Windows NFS Server, as part of its July 14, 2026 security updates. The TOCTOU race condition, rated CVSS 7.5, could allow an authenticated attacker to gain elevated control of a server, but it only affects systems where the optional Server for NFS role is installed. Administrators should immediately apply the cumulative updates, verify build numbers, and review NFS access.
Microsoft Patches DirectX Kernel Flaw in July 2026 Windows Updates – Here’s Why It Matters
Microsoft has fixed a serious elevation-of-privilege vulnerability (CVE-2026-56644) in the Windows DirectX Graphics Kernel. The July 2026 cumulative updates close the flaw, which could allow a local attacker to gain full system control. While no active exploitation has been reported, users and administrators should apply the patches promptly and verify the installed build numbers.