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Vulnerability record · CVE-2020-37129 · published 5 February 2026

CVE-2020-37129: Incorrect default permissions vulnerability

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.

8.5 CVSS 4.0 High EPSS 0.36% · top 72.9% CWE-276 · Incorrect default permissions Deferred
8.5CVSS 4.0 base score
0.36%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
3References
17 Jun 2026Last modified by NVD

Description

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.

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

References

LinkTags
https://www.exploit-db.com/exploits/48283
https://www.memuplay.com/
https://www.vulncheck.com/advisories/memu-play-insecure-folder-permissions

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Source: NIST National Vulnerability Database (record CVE-2020-37129), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.