CVE-2016-20090

HIGH EPSS 2.3%
Published Jun 19, 20261w ago · Modified Jun 22, 20261w ago
8.5 CVSS 4.0
High
Find Similar
Published Jun 19, 2026 1w ago
Last Modified Jun 22, 2026 1w ago

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.

CVSS Details

Base Score
8.5
Exploitability
—
Impact
—
Vector string
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope X

Threat Intelligence

EPSS Exploit Probability
2.3% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-428

References 5

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

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.