How to fix CVE-2020-36990?

Within 24 hours: Identify and inventory all systems running affected Windows service configurations; enable enhanced logging and monitoring for suspicious privilege escalation attempts; restrict service account permissions to minimum required levels. Within 7 days: Implement network segmentation to isolate critical systems; disable unnecessary Windows services where feasible; apply the most recent Windows security updates available. Within 30 days: Monitor vendor communications for patch availability; conduct security assessment of affected systems for signs of compromise; develop incident response plan specific to this vulnerability.

Is Windows affected by CVE-2020-36990?

A high-severity vulnerability (CVE-2020-36990) in Windows service configuration allows attackers to gain elevated system privileges and execute arbitrary code.

CVE-2020-36990

HIGH

2026-01-28 [email protected]

7.8

CVSS 3.1

CVSS Vector

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 - 21:54 vuln.today

PoC Detected

Jan 29, 2026 - 16:31 vuln.today

Public exploit code

CVE Published

Jan 28, 2026 - 13:15 nvd

HIGH 7.8

Description

Input Director 1.4.3 contains an unquoted service path vulnerability in its Windows service configuration that allows local attackers to execute code with elevated privileges. Attackers can exploit the unquoted path during system startup or reboot to inject and run malicious executables with LocalSystem permissions.

Analysis

its Windows service configuration contains a vulnerability that allows attackers to execute code with elevated privileges (CVSS 7.8).

Technical Context

exists in the its Windows component. Input Director 1.4.3 contains an unquoted service path vulnerability in its Windows service configuration that allows local attackers to execute code with elevated privileges. Attackers can exploit the unquoted path during system startup or reboot to inject and run malicious executables with LocalSystem permissions.

Affected Products

Product: its Windows service configuration. Component: its Windows.

Remediation

Monitor vendor advisories for a patch.

Priority Score

Low Medium High Critical

KEV: 0

EPSS: +0.0

CVSS: +39

POC: +20

CVE-2020-36990 vulnerability details – vuln.today

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CVE-2020-36990

CVSS Vector

Lifecycle Timeline

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Description

Analysis

Technical Context

Affected Products

Remediation

Priority Score

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CVE-2020-36990

CVSS Vector

Lifecycle Timeline

Tags

Description

Analysis

Technical Context

Affected Products

Remediation

Priority Score

Share

External POC / Exploit Code