CVE-2020-37252 - CVE House

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Status published High CVE-2020-37252

Realtek Audio Service 1.0.0.55 Unquoted Service Path Privilege Escalation

8.5 CVSS

Vulnerability Description

Realtek Audio Service 1.0.0.55 contains an unquoted service path vulnerability in RtkAudioService64.exe that allows local attackers to escalate privileges by injecting malicious code. Attackers can place executable files in the unquoted service path directory to execute arbitrary code with LocalSystem privileges during service startup or system reboot.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

Erika Figueroa

References

More from Realtek

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Affected Vendor

Realtek

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Affected Software

Realtek Audio Service

Vulnerable Versions:

1.0.0.55

Timeline

Official Publish: June 19th, 2026

Last Modified: June 22nd, 2026

Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weaknesses (CWE)

MITRE ATT&CK TTPs

T1574 Hijack Execution Flow

Privilege Escalation

T1036 Masquerading

Defense Evasion

T1543 Create or Modify System Process

T1059 Command and Scripting Interpreter

T1569 System Services