CVE-2026-21510 Windows Shell Security Feature Bypass Vulnerability

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CVE-2026-21510

CVE-2026-21510 is a Windows Shell security feature bypass vulnerability (Protection Mechanism Failure) that can allow remote code execution by bypassing SmartScreen prompts and shell warnings. Affected component: Windows Shell (explorer.exe) and related UI elements. Exploitation requires social e...

Windows Shell Security Feature Bypass Vulnerability

Protection mechanism failure in Windows Shell allows an unauthorized attacker to bypass a security feature over a network...

KLA90878 Multiple vulnerabilities in Microsoft Products (ESU)

Multiple vulnerabilities were found in Microsoft Products Extended Security Update. Malicious users can exploit these vulnerabilities to execute arbitrary code, gain privileges, bypass security restrictions, spoof user interface, obtain sensitive information, cause denial of service. Below is a...

VulnCheck KEV: CVE-2026-21510

Protection mechanism failure in Windows Shell allows an unauthorized attacker to bypass a security feature over a network...

Microsoft Windows Shell 安全漏洞

Microsoft Windows Shell is the graphical user interface of the Windows operating system developed by Microsoft. Key features of the Windows Shell include the desktop, taskbar, start menu, task switcher, and autoplay functions. In some versions of Windows, features like Flip 3D and Charm are also...

PT-2026-7396

Name of the Vulnerable Software and Affected Versions Windows Shell affected versions not specified Description A protection mechanism failure in the Windows Shell allows an unauthorized remote attacker to bypass security features, specifically the Windows SmartScreen mechanism and Windows Shell...

Microsoft Windows Shell Protection Mechanism Failure Vulnerability

Microsoft Windows Shell contains a protection mechanism failure vulnerability that could allow an unauthorized attacker to bypass a security feature over a network...

EUVD-2026-4873

Symfony is a PHP framework for web and console applications and a set of reusable PHP components. Prior to versions 5.4.51, 6.4.33, 7.3.11, 7.4.5, and 8.0.5, the Symfony Process component did not correctly treat some characters notably = as “special” when escaping arguments on Windows. When PHP i...

CVE-2026-20847

Exposure of sensitive information to an unauthorized actor in Windows Shell allows an authorized attacker to perform spoofing over a network...

CVE-2026-20834

Absolute path traversal in Windows Shell allows an unauthorized attacker to perform spoofing with a physical attack...

CVE-2026-20847

Exposure of sensitive information to an unauthorized actor in Windows Shell allows an authorized attacker to perform spoofing over a network...

CVE-2026-20847

Exposure of sensitive information to an unauthorized actor in Windows Shell allows an authorized attacker to perform spoofing over a network...

CVE-2026-20834

Absolute path traversal in Windows Shell allows an unauthorized attacker to perform spoofing with a physical attack...

CVE-2026-20834

Absolute path traversal in Windows Shell allows an unauthorized attacker to perform spoofing with a physical attack...

CVE-2026-20847

Exposure of sensitive information to an unauthorized actor in Windows Shell allows an authorized attacker to perform spoofing over a network...

Microsoft Windows File Explorer Spoofing Vulnerability

Exposure of sensitive information to an unauthorized actor in Windows Shell allows an authorized attacker to perform spoofing over a network...

Windows Spoofing Vulnerability

Absolute path traversal in Windows Shell allows an unauthorized attacker to perform spoofing with a physical attack...

PT-2026-2684

Name of the Vulnerable Software and Affected Versions Windows Shell affected versions not specified Description A security issue exists in Windows Shell that allows an unauthorized attacker to perform spoofing. This requires physical access to the system. The issue involves an absolute path...

Microsoft Windows Shell 安全漏洞

The Microsoft Windows Shell is the graphical user interface for the Windows operating system from Microsoft USA.Easily recognizable elements of the Windows shell include features such as the desktop, the taskbar, the start menu, the task switcher, and autoplay. On some versions of Windows, featur...