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...

CVE-2026-21513

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

CVE-2026-21513

CVE-2026-21513 is a security feature bypass vulnerability in the MSHTML Framework. Affected component: MSHTML/MSHTML Framework used by Windows’ browsing/rendering stack. Root cause details are described in vendor advisories and security blogs as a protection mechanism bypass that can be triggered...

CVE-2026-21513 MSHTML Framework Security Feature Bypass Vulnerability

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CVE-2026-21513 MSHTML Framework Security Feature Bypass Vulnerability

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CVE-2026-21518

CVE-2026-21518 affects GitHub Copilot for Visual Studio Code and VS Code itself. Description: improper neutralization of special elements used in a command (command injection) allows a remote attacker to bypass a security feature over a network. Affected component/input is attacker-controlled net...

Windows Hyper-V Security Feature Bypass Vulnerability

Improper access control in Windows Hyper-V allows an authorized attacker to bypass a security feature locally...

GitHub Copilot and Visual Studio Code Security Feature Bypass Vulnerability

Improper neutralization of special elements used in a command 'command injection' in GitHub Copilot and Visual Studio Code allows an unauthorized attacker to bypass a security feature over a network...

MSHTML Framework Security Feature Bypass Vulnerability

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

Windows Shell Security Feature Bypass Vulnerability

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

Microsoft Word Security Feature Bypass Vulnerability

Reliance on untrusted inputs in a security decision in Microsoft Office Word allows an unauthorized attacker to bypass a security feature locally...

PT-2026-7332

Name of the Vulnerable Software and Affected Versions .NET versions 8.0.0 through 8.0.22 .NET versions 9.0.0 through 9.0.12 .NET versions 10.0.0 through 10.0.2 Description The software contains a security feature bypass issue due to improper handling of missing special elements. An attacker could...

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...

KLA90874 Multiple vulnerabilities in Microsoft Office

Multiple vulnerabilities were found in Microsoft Office. Malicious users can exploit these vulnerabilities to bypass security restrictions, spoof user interface, obtain sensitive information, gain privileges. Below is a complete list of vulnerabilities: 1. A security feature bypass vulnerability ...

VulnCheck KEV: CVE-2026-21510

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

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...

PT-2026-7357

Improper access control in Windows Hyper-V allows an authorized attacker to bypass a security feature locally...

PT-2026-7400

Name of the Vulnerable Software and Affected Versions Microsoft Word versions prior to February 2026 Patch Tuesday Description A critical security flaw in Microsoft Word allows an attacker to bypass security features locally by exploiting reliance on untrusted inputs during security decisions. Th...

Microsoft MSHTML Framework Protection Mechanism Failure Vulnerability

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