CVE-2014-1771: SChannel in Microsoft Internet Explorer 6 through 11 does not ensure that a server's X.509 certificate is t...

Security readout for executives and security teams

This flaw affected Microsoft Internet Explorer 6 through 11 using SChannel. During TLS renegotiation, the browser did not ensure the server certificate stayed the same. A network-positioned attacker could use a triple handshake attack to read sensitive data or alter TLS session data. Exposure is most relevant where Internet Explorer 6 through 11 was used for HTTPS traffic, especially on untrusted or interceptable networks. The bundle does not provide a detailed CPE matrix, current support status, or affected server-side products. Treat this as a legacy-browser risk requiring cleanup, not a current emergency based on the provided evidence. Prioritize remediation where old Internet Explorer versions remain in business workflows or sensitive network environments. Mitigation focus: Apply Microsoft MS14-035 guidance and related Internet Explorer security updates.; Retire or isolate Internet Explorer 6 through 11 where still present.; Check Microsoft guidance for superseding cumulative updates on legacy systems..

Prepared

Jun 14, 2026, 14:16 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.