Vulnerability in Realtek Audio Service
CVE-2020-37252
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 · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.002 (6.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 6th percentile — 6.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000
Affected products
- Realtek Audio Service — versions 1.0.0.55
Weakness classification (CWE)
References
- www.exploit-db.com/exploits/49015 (exploit)
- www.realtek.com/en/ (product)
- www.vulncheck.com/advisories/realtek-audio-service-unquoted-service-path-privil… (third-party-advisory)
Frequently asked questions
- What is CVE-2020-37252?
- CVE-2020-37252 is a high-severity vulnerability in Realtek Audio Service, classified under Unquoted Search Path or Element. CVSS score: 7.8/10. Published 2026-06-19.
- How severe is CVE-2020-37252?
- High severity. CVSS v3 base score is 7.8 out of 10.