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Vulnerability record · CVE-2021-20726 · published 24 May 2021

CVE-2021-20726: Overwolf uncontrolled search path element vulnerability

Overwolf · Overwolf

Untrusted search path vulnerability in The Installer of Overwolf 2.168.0.n and earlier allows an attacker to gain privileges and execute arbitrary code with the privilege of the user invoking the installer via a Trojan horse DLL in an unspecified directory.

7.8 CVSS 3.1 High EPSS 0.29% · top 80.4% CWE-427 · Uncontrolled search path element
7.8CVSS 3.1 base score, v2 4.4
0.29%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

Description

Untrusted search path vulnerability in The Installer of Overwolf 2.168.0.n and earlier allows an attacker to gain privileges and execute arbitrary code with the privilege of the user invoking the installer via a Trojan horse DLL in an unspecified directory.

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://jvn.jp/en/jp/JVN78254777/index.html Third Party Advisory
https://www.overwolf.com/ Vendor Advisory
https://jvn.jp/en/jp/JVN78254777/index.html Third Party Advisory
https://www.overwolf.com/ Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.6CVE-2021-33501Overwolf cross-site scripting vulnerabilityOverwolf Client 0.169.0.22 allows XSS, with resultant Remote Code Execution, via an overwolfstore:// URL.EPSS 7.9%8.8CVE-2020-15932Overwolf link following vulnerabilityOverwolf before 0.149.2.30 mishandles Symbolic Links during updates, causing elevation of privileges.EPSS 2.9%8.1CVE-2020-25214Overwolf vulnerabilityIn the client in Overwolf 0.149.2.30, a channel can be accessed or influenced by an actor that is not an endpoint.EPSS 3.1%7.8CVE-2024-7834Overwolf uncontrolled search path element vulnerabilityA local privilege escalation is caused by Overwolf loading and executing certain dynamic link library files from a user-writeable folder in SYSTEM co…EPSS 0.30%7.8CVE-2020-3433Cisco AnyConnect Windows client DLL hijacking via IPC channelCisco AnyConnect Secure Mobility Client for Windows fails to properly validate resources loaded at run time, allowing a DLL hijacking attack through …KEVEPSS 10%analysed6.5CVE-2020-3153Cisco AnyConnect Windows Installer Path Handling Privilege EscalationThe Cisco AnyConnect Secure Mobility Client for Windows installer mishandles directory paths, letting an authenticated local user copy attacker-suppl…KEVEPSS 28%analysed

Source: NIST National Vulnerability Database (record CVE-2021-20726), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.