CVE-2020-37252

Realtek Audio Service 1.0.0.55 Unquoted Service Path Privilege Escalation

CVSS 8.5 HIGHEPSS 0.1%CWE-428

Vexday Risk Score

41Attention

SSVC decision (CISA)

Attend

PoC available → attend closely

CVSS 8.5EPSS 0.1%KEV nãoPoC públicaNuclei —Metasploit —Patch —

Lifecycle

19 Jun 2026Published on NVD

Recommendation: Plan a near-term fix — a public PoC already exists.

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.

CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Affected products

Realtek · Realtek Audio Service

public PoCs found — 1

cve_referencewww.exploit-db.com/exploits/49015unverified

⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.

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References

https://www.exploit-db.com/exploits/49015 https://www.realtek.com/en/https://www.vulncheck.com/advisories/realtek-audio-service-unquoted-service-path-privilege-escalation