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CVE-2014-1771

SChannel in Microsoft Internet Explorer 6 through 11 does not ensure that a server's X.509 certificate is the same during renegotiation as it was before renegotiation, which allows man-in-the-middle attackers to obtain sensitive information or modify TLS session data via a "triple handshake attack," aka "TLS Server Certificate Renegotiation Vulnerability."

View on NVD

Severity

N/A

EPSS

Probability of exploitation (next 30 days): 0.1342 (13.4%)
Percentile: 94.2%
EPSS: 2026-05-06

Affects

microsoft:internet_explorer

Technical description

SChannel in Microsoft Internet Explorer 6 through 11 does not ensure that a server's X.509 certificate is the same during renegotiation as it was before renegotiation, which allows man-in-the-middle attackers to obtain sensitive information or modify TLS session data via a "triple handshake attack," aka "TLS Server Certificate Renegotiation Vulnerability."

Published: 6/11/2014, 4:56:16 AM
Last modified: 5/6/2026, 10:30:45 PM

References

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