CVE-2026-21513

Microsoft MSHTML Framework Protection Mechanism Failure Vulnerability

Windows 10 1607

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

10. Feb 2026

Ausgewertete Quellen

• Microsoft
  https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-21513
• Hinweis
  https://www.vicarius.io/vsociety/posts/cve-2026-21513-detection-script-security-feature-bypass-vulnerability-in-mshtml-framework
• Hinweis
  https://www.vicarius.io/vsociety/posts/cve-2026-21513-mitigation-script-security-feature-bypass-vulnerability-in-mshtml-framework
• CISA
  https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-21513
• CISA
  Microsoft MSHTML Framework Protection Mechanism Failure Vulnerability
• NVD
  CVE-2026-21513