← Vulnerability feed

Vulnerability record · CVE-2021-44226 · published 23 March 2022

CVE-2021-44226: Razer synapse uncontrolled search path element vulnerability

RRazer · Synapse

Razer Synapse before 3.7.0228.022817 allows privilege escalation because it relies on %PROGRAMDATA%\Razer\Synapse3\Service\bin even if %PROGRAMDATA%\Razer has been created by any unprivileged user before Synapse is installed. The unprivileged user may have placed Trojan horse DLLs there.

7.3 CVSS 3.1 High EPSS 0.90% · top 41.8% CWE-427 · Uncontrolled search path element
7.3CVSS 3.1 base score, v2 6.9
0.90%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
16References, 6 tagged exploit
17 Jun 2026Last modified by NVD

Description

Razer Synapse before 3.7.0228.022817 allows privilege escalation because it relies on %PROGRAMDATA%\Razer\Synapse3\Service\bin even if %PROGRAMDATA%\Razer has been created by any unprivileged user before Synapse is installed. The unprivileged user may have placed Trojan horse DLLs there.

CVSS:3.1/AV:L/AC:L/PR:L/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

Track CVE-2021-44226 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

Start free Open in platform

Related vulnerabilities

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

9.8CVE-2017-9769Razer Synapse rzpnk.sys IOCTL allows arbitrary process handle openingThe rzpnk.sys driver shipped with Razer Synapse 2.20.15.1104 forwards a specially crafted IOCTL to ZwOpenProcess, letting a caller obtain a handle to…EPSS 86%analysed8.4CVE-2017-11652Razer synapse incorrect permission assignment vulnerabilityRazer Synapse 2.20.15.1104 and earlier uses weak permissions for the CrashReporter directory, which allows local users to gain privileges via a Troja…EPSS 0.41%7.8CVE-2025-9870Razer synapse link following vulnerabilityRazer Synapse 3 RazerPhilipsHueUninstall Link Following Local Privilege Escalation Vulnerability. This vulnerability allows local attackers to escala…EPSS 0.18%7.8CVE-2025-9871Razer synapse link following vulnerabilityRazer Synapse 3 Chroma Connect Link Following Local Privilege Escalation Vulnerability. This vulnerability allows local attackers to escalate privile…EPSS 0.18%7.8CVE-2025-9869Razer synapse link following vulnerabilityRazer Synapse 3 Macro Module Link Following Local Privilege Escalation Vulnerability. This vulnerability allows local attackers to escalate privilege…EPSS 0.18%7.8CVE-2022-47631Razer synapse toctou race condition vulnerabilityRazer Synapse through 3.7.1209.121307 allows privilege escalation due to an unsafe installation path and improper privilege management. Attackers can…EPSS 0.39%7.8CVE-2017-14398Razer synapse memory buffer overflow vulnerabilityrzpnk.sys in Razer Synapse 2.20.15.1104 allows local users to read and write to arbitrary memory locations, and consequently gain privileges, via a m…EPSS 0.29%7.8CVE-2017-11653Razer synapse incorrect permission assignment vulnerabilityRazer Synapse 2.20.15.1104 and earlier uses weak permissions for the Devices directory, which allows local users to gain privileges via a Trojan hors…EPSS 0.36%

Source: NIST National Vulnerability Database (record CVE-2021-44226), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.