Cve 2026 42980
The latest Cve 2026 42980 coverage — news, analysis, and updates from the WindowsNews.AI desk.
Microsoft Cuts Windows Search Trigger to Two Characters: KB5094126 Brings Faster File Finding to Windows 11
Microsoft's June 2026 cumulative update KB5094126 for Windows 11 24H2 and 25H2 reduces the minimum characters required for Windows Search to find files from three to two. The update also improves result ranking, prioritizing recent and frequently accessed items. This change aims to make file retrieval faster and more intuitive for millions of Windows users.
Microsoft’s June 2026 Patch Breaks Custom Folder Icons for Network Drives and Removable Media
Microsoft’s June 2026 security update for Windows 11 now blocks File Explorer from applying desktop.ini folder customizations (like custom icons and templates) from network shares, removable drives, and other untrusted locations. The change, while closing a significant security hole, has disrupted countless businesses and power users who relied on these visual cues. A new Group Policy can re-enable the old behavior, but only at the expense of security.
CVE-2026-34182: OpenSSL Flaw Enables CMS Forgery Attacks, Windows Users Urged to Patch
CVE-2026-34182 exposes a critical flaw in OpenSSL's CMS AuthEnvelopedData validation, allowing attackers to forge authenticated encrypted messages and threaten software supply chain integrity. Microsoft has assessed the impact on Windows environments, releasing patches for affected first-party products and guidance for triaging third-party dependencies. Security teams are urgently updating OpenSSL across Windows servers, WSL installations, and all software that relies on the library for CMS verification.
Urgent Vim Update: Python Omni-Completion Bug (CVE-2026-52858) Allows Code Execution From Hostile Buffers
CVE-2026-52858 is a critical vulnerability in Vim's Python omni-completion that allows code execution when triggering completion on untrusted Python buffers. Patched in Vim 9.2.0561, Windows users must update immediately via winget, Chocolatey, or manual download to prevent arbitrary code execution from malicious files.
Vim Security Alert: CVE-2026-47167 Code Injection via Cucumber Plugin Demands Immediate Patch
CVE-2026-47167 is a medium-severity code injection vulnerability in Vim's Cucumber filetype plugin that allows arbitrary Ruby code execution when opening a crafted .feature file. The flaw affects Vim builds with Ruby support enabled, and the patch is available in version 9.2.0496. Users are urged to update immediately or apply workarounds such as disabling the plugin.
Microsoft Warns of Remote Code Execution Risk in Vim Python Completion, Urges Immediate Upgrade
Microsoft has added CVE-2026-52860 to its Security Update Guide, warning that a vulnerability in Vim's Python omni-completion feature can allow attackers to execute arbitrary code on Windows machines simply by opening a malicious Python file. All Vim users on Windows should upgrade immediately to version 9.1.0450 or later, or disable the Python completion engine as a temporary workaround to prevent potential remote code execution.
CVE-2026-52859: Vim Terminal Snapshot Bug Fixed, Microsoft Urges WSL Users to Update
Microsoft's MSRC disclosed CVE-2026-52859, a medium-severity Vim vulnerability in terminal screen snapshot handling that can cause crashes or memory leaks. The flaw was patched in Vim 9.2.0565, and Windows users—especially those using WSL—are urged to update immediately to protect their terminal environments from potential exploitation.
Vim’s netrw Plugin Hit by Injection Flaw That Executes Code via Folder Names – Microsoft Issues Fix for Windows Users
Microsoft disclosed CVE-2026-47162, a high-severity Vim netrw vulnerability allowing command injection via specially crafted directory names. Windows and WSL users are at risk; updating Vim to the latest version or applying a configuration workaround is critical to prevent arbitrary code execution.
Windows 11 KB5094126 Blocks desktop.ini Customizations: What You Need to Know About the New Trust Rule
Microsoft's June 2026 security update KB5094126 for Windows 11 24H2 and 25H2 introduces a trust rule that disables desktop.ini folder customizations when the file is not from a trusted location. The change prevents phishing attacks that abuse folder icons but has left network drives and removable media stripped of customizations, prompting workarounds via group policy or registry edits.
Microsoft Teams for Android Flaw Leaks Data—Patch Now, Enforce Mobile Governance
CVE-2026-42835 is an Important-rated information disclosure flaw in Microsoft Teams for Android that can leak sensitive data to an authenticated attacker. Microsoft has released a patch via the Google Play Store, and organizations should enforce mobile governance practices to ensure rapid update compliance and prevent similar exposures on Android devices.
Windows Server 2025 Gains Native DNS over HTTPS for Encrypted Port 53
Windows Server 2025 now supports server-side DNS over HTTPS following the June 2026 security update, enabling encrypted client-to-server DNS resolution on port 53. This closes a significant security gap in enterprise networks by extending DoH to domain controllers and DNS servers, aligning with zero-trust and compliance requirements. Early deployment feedback highlights straightforward configuration via PowerShell and Group Policy, though certificate management and fallback settings require careful planning.
Oracle Emergency Patch: Critical PeopleSoft RCE Bug CVE-2026-35273
Oracle issued an out-of-band Security Alert on June 10, 2026, for CVE-2026-35273, a critical unauthenticated remote code execution vulnerability in PeopleSoft PeopleTools 8.61 and 8.62. Administrators must apply the emergency patch immediately or isolate affected systems to prevent active exploitation that can lead to data theft and Windows domain compromise.
CISA Flags Actively Exploited Oracle PeopleSoft Flaw CVE-2026-35273, Orders Federal Agencies to Patch
CISA added CVE-2026-35273 to the KEV catalog on June 12, 2026, confirming active exploitation of this critical authentication bypass in Oracle PeopleSoft Enterprise PeopleTools. Federal agencies must apply Oracle’s fix by July 3, 2026, while all organizations should urgently secure their PeopleSoft deployments to prevent unauthenticated system takeover.