Cyber Resilience

CVE-2016-20090

HighPublic PoC

Published: 19 June 2026

Published
19 June 2026
Modified
22 June 2026
KEV Added
—
Patch
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CVSS Score v4 8.5 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
EPSS Score 0.0012 2.3th percentile
Risk Priority 55 floored blend · peak EPSS

Summary

CVE-2016-20090 is a high-severity Unquoted Search Path or Element (CWE-428) vulnerability in Comodo Dragon Browser (inferred from references). Its CVSS base score is 8.5 (High).

Operationally, ranked at the 2.3th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

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…

more

arbitrary code with elevated privileges upon service restart or system reboot.

CWE(s)
CWE-428

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

Comodo
Dragon Browser
inferred from references and description; NVD did not file a CPE for this CVE

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References