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CVE-2016-20090

7.8 · HIGH

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.

Published Jun 19, 2026CWE-428EPSS 0.18%

Overview

CVE-2016-20090 is a high-severity vulnerability. It was published on June 19, 2026 and has a CVSS 3.1 base score of 7.8 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refyildirimyunus.comRefwww.comodo.comRefwww.comodo.com/home/browsers-toolbars/browser.phpRefwww.exploit-db.com/exploits/40471Refwww.vulncheck.com/advisories/comodo-dragon-browser-privilege-escalation-via-unquoted-service-path

How CyberStrike helps

Frequently asked questions

What is CVE-2016-20090?

CVE-2016-20090 is a high-severity vulnerability. It was published on June 19, 2026 and has a CVSS 3.1 base score of 7.8 (HIGH).

How severe is CVE-2016-20090?

This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2016-20090?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2016-20090?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2016-20090 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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