Realtek Audio Service vulnerability

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.

Published 19 Jun 2026Updated 29 Sep 20263 sources
CVSS 8.5

What happened

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.

Affected versions

Realtek Audio Service: 1.0.0.55 Fixed: See vendor advisory.

Why it matters

Review the vendor advisory and exposure of the affected product to determine operational impact.

Detection & mitigation

  • Apply vendor-provided updates or mitigations.
  • Review affected product exposure and access logs.

Public PoC references

No public PoC reference has passed the current publication threshold.