CVE-2016-20090 Comodo Dragon Browser 52.15.25.663 Privilege Escalation via Unquoted Service Path
Local attackers can escalate privileges to SYSTEM by exploiting an unquoted service path in the Comodo Dragon Browser updater.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2016-20090?
CVE-2016-20090 is a high-severity vulnerability in Comodo Dragon Browser, published on 19 Jun 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
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.
Weakness: CWE-428
Which versions are affected by CVE-2016-20090?
How do I fix CVE-2016-20090?
No fix has been published for CVE-2016-20090 yet. Limit exposure of the affected software until one is available.
Is CVE-2016-20090 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2016-20090 exists.
Sources
Also known as GHSA-9mv8-29r8-jw5c.