What is the CVSS score of CVE-2020-36937?

CVE-2020-36937 has a CVSS 3.1 base score of 7.8 (High). CVSS vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.0%.

Which versions of Windows are affected by CVE-2020-36937?

A high-severity vulnerability in the MEmusvc Windows service (CVE-2020-36937) allows remote attackers to execute arbitrary code on affected systems with a CVSS score of 7.8.

Is there a public PoC exploit available for CVE-2020-36937?

Yes, a public proof-of-concept exploit is available for CVE-2020-36937. Prioritise patching immediately. EPSS: 0.0%.

How to fix or mitigate CVE-2020-36937?

Within 24 hours: Inventory all systems running MEmusvc service and isolate affected endpoints from critical network segments; disable MEmusvc service if operationally feasible and document dependencies. Within 7 days: Implement network-level restrictions to limit MEmusvc access to authorized users/systems only; deploy enhanced monitoring and EDR logging on affected systems; contact vendor for patch status and workarounds. Within 30 days: Evaluate alternative solutions to replace MEmusvc; establish formal vendor communication protocol for patch delivery; conduct vulnerability reassessment once patches become available.

Windows CVE-2020-36937

HIGH

Unquoted Search Path or Element (CWE-428)

2026-01-25 disclosure@vulncheck.com

Windows

7.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

7.8 HIGH

AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

Analysis Generated

Mar 12, 2026 - 21:59 vuln.today

PoC Detected

Jan 26, 2026 - 15:03 vuln.today

Public exploit code

CVE Published

Jan 25, 2026 - 14:15 nvd

HIGH 7.8

DescriptionCVE.org

Microvirt MEMU Play 3.7.0 contains an unquoted service path vulnerability in the MEmusvc Windows service that allows local attackers to potentially execute arbitrary code. Attackers can exploit the unquoted binary path to inject malicious executables that will be run with elevated LocalSystem privileges.

AnalysisAI

MEmusvc Windows service contains a vulnerability that allows attackers to potentially execute arbitrary code (CVSS 7.8).

Technical ContextAI

exists in the MEmusvc Windows component. Microvirt MEMU Play 3.7.0 contains an unquoted service path vulnerability in the MEmusvc Windows service that allows local attackers to potentially execute arbitrary code. Attackers can exploit the unquoted binary path to inject malicious executables that will be run with elevated LocalSystem privileges.