Microsoft Crypto API X.509 Certificate Validation Remote Information Disclosure Vulnerability

The following Office document will trigger HTTP requests to an external webserver.

The referenced advisories also state that sending a blank email to <> will result in a reply email that is S/MIME-encoded in a manner that also triggers the issue.

Symantec has not validated the safety of the document or email, so users should take appropriate precautions for handling potentially malicious content.


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