CVE-2021-38085

The Canon TR150 print driver through 3.71.2.10 is vulnerable to a privilege escalation issue. During the add printer process, a local attacker can overwrite CNMurGE.dll and, if timed properly, the overwritten DLL will be loaded into a SYSTEM process resulting in escalation of privileges. This occurs because the driver drops a world-writable DLL into a CanonBJ %PROGRAMDATA% location that gets loaded by printisolationhost (a system process).

• CWE-732

• http://packetstormsecurity.com/files/163795/Canon-TR150-Driver-3.71.2.10-Privilege-Escalation.htmlExploit, Third Party Advisory, VDB Entry
• https://defcon.org/html/defcon-29/dc-29-speakers.html#bainesThird Party Advisory
• https://raw.githubusercontent.com/jacob-baines/vuln_disclosure/main/vuln_2021_03.txtThird Party Advisory
• https://www.youtube.com/watch?v=vdesswZYz-8Exploit, Third Party Advisory
• http://packetstormsecurity.com/files/163795/Canon-TR150-Driver-3.71.2.10-Privilege-Escalation.htmlExploit, Third Party Advisory, VDB Entry
• https://defcon.org/html/defcon-29/dc-29-speakers.html#bainesThird Party Advisory
• https://raw.githubusercontent.com/jacob-baines/vuln_disclosure/main/vuln_2021_03.txtThird Party Advisory
• https://www.youtube.com/watch?v=vdesswZYz-8Exploit, Third Party Advisory

Published

Aug 11, 2021

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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