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.

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 ga…

EPSS: 0.003 (25.7th percentile) — read the EPSS interpretation.

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.

Affected products

Microvirt Memu Play — versions 7.1.3

Weakness classification (CWE)

CWE-276 — Incorrect Default Permissions

References

disclosure@vulncheck.com (exploit)
disclosure@vulncheck.com (product)
disclosure@vulncheck.com (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.