CVE-2016-20090

Comodo Dragon Browser versions up to 52.15.25.663 contain a privilege escalation vulnerability in the DragonUpdater service due to an unquoted service path running with SYSTEM privileges. A local attacker can insert a malicious executable in the service path and execute arbitrary code with elevated privileges upon service restart or system reboot.

Score

CVSS 4.0 8.5 High

Status

Deferred - disclosure@vulncheck.com

Published

2026-06-19

Last modified

2026-06-22

Weaknesses

CWE-428

Affected products

• Dragon Browser (Comodo)

References

• http://yildirimyunus.com
• https://www.comodo.com
• https://www.comodo.com/home/browsers-toolbars/browser.php
• https://www.exploit-db.com/exploits/40471
• https://www.vulncheck.com/advisories/comodo-dragon-browser-privilege-escalation-via-unquoted-service-path