User Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:52.0) Gecko/20100101 Firefox/52.0 Build ID: 20170323105023 Steps to reproduce: 1. Login as user A (i.e. low permissions user) 2. Use Run as a different user to start Mozilla under the context of user B (a high permissions user) 3. Go to a web site that supports Kerberos authentication, with different permissions available for user A and user B Actual results: You will notice that Kerberos authentication is being used, but that even though Mozilla is running under user B, the Kerberos credentials presented to the web site are those of user A. Expected results: Performing the same test with I.E. shows I.E. correctly authenticates with the credentials of User B.
Bulk change to priority: https://bugzilla.mozilla.org/show_bug.cgi?id=1399258
Priority: -- → P2
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