Vulnerability in Comodo Dragon Browser
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.002 (6.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 6th percentile — 6.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000
Affected products
- Comodo Dragon Browser — versions 0
Weakness classification (CWE)
References
- www.exploit-db.com/exploits/40471 (exploit)
- www.comodo.com (product)
- yildirimyunus.com (product)
- www.comodo.com/home/browsers-toolbars/browser.php (product)
- www.vulncheck.com/advisories/comodo-dragon-browser-privilege-escalation-via-unq… (third-party-advisory)
Frequently asked questions
- What is CVE-2016-20090?
- CVE-2016-20090 is a high-severity vulnerability in Comodo Dragon Browser, classified under Unquoted Search Path or Element. CVSS score: 7.8/10. Published 2026-06-19.
- How severe is CVE-2016-20090?
- High severity. CVSS v3 base score is 7.8 out of 10.