Vulnerability in Microvirt Memu Play
CVE-2020-37129
Memu Play 7.1.3 contains an insecure folder permissions vulnerability that allows low-privileged users to modify the MemuService.exe executable. Attackers can replace the service executable with a malicious file during system restart to gain SYSTEM-level privileges by exploiting unrestricted file modification permissions.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.004 (27.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 27th percentile — 27.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.004 · change: +0.000
Affected products
- Microvirt Memu Play — versions 7.1.3
Weakness classification (CWE)
References
- www.exploit-db.com/exploits/48283 (exploit)
- www.memuplay.com/ (product)
- www.vulncheck.com/advisories/memu-play-insecure-folder-permissions (third-party-advisory)
Frequently asked questions
- What is CVE-2020-37129?
- CVE-2020-37129 is a critical-severity vulnerability in Microvirt Memu Play, classified under Incorrect Default Permissions. CVSS score: 9.8/10. Published 2026-02-05.
- How severe is CVE-2020-37129?
- Critical severity. CVSS v3 base score is 9.8 out of 10.