Comodo Dragon Browser up to 52.15.25.663 DragonUpdater Service unquoted search path

CVSS Meta Temp Score
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CTI Interest Score
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7.1$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in Comodo Dragon Browser up to 52.15.25.663. Impacted is an unknown function of the component DragonUpdater Service. Executing a manipulation can lead to unquoted search path. This vulnerability appears as CVE-2016-20090. The attack requires local access. In addition, an exploit is available.

Detailsinfo

A vulnerability has been found in Comodo Dragon Browser up to 52.15.25.663 and classified as critical. This vulnerability affects some unknown functionality of the component DragonUpdater Service. The manipulation with an unknown input leads to a unquoted search path vulnerability. The CWE definition for the vulnerability is CWE-428. The product uses a search path that contains an unquoted element, in which the element contains whitespace or other separators. This can cause the product to access resources in a parent path. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

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.

The weakness was presented by Yunus YILDIRIM as 40471. The advisory is shared for download at exploit-db.com. This vulnerability was named CVE-2016-20090 since 06/19/2026. The exploitation appears to be difficult. The attack needs to be approached locally. Technical details are unknown but a public exploit is available. The MITRE ATT&CK project declares the attack technique as T1574.009.

It is possible to download the exploit at exploit-db.com. It is declared as proof-of-concept.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at Exploit-DB (40471). Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 7.4
VulDB Meta Temp Score: 7.1

VulDB Base Score: 7.0
VulDB Temp Score: 6.4
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 7.8
CNA Vector (VulnCheck): 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Unquoted search path
CWE: CWE-428 / CWE-426
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: No

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒

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Exploit-DB: 🔒

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

06/19/2026 Advisory disclosed
06/19/2026 +0 days CVE reserved
06/19/2026 +0 days VulDB entry created
06/19/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: 40471
Researcher: Yunus YILDIRIM
Status: Not defined

CVE: CVE-2016-20090 (🔒)
GCVE (CVE): GCVE-0-2016-20090
GCVE (VulDB): GCVE-100-372388
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 06/19/2026 18:11
Changes: 06/19/2026 18:11 (80)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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