What is the CVSS score of CVE-2021-47882?

CVE-2021-47882 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-2021-47882?

Organizations using FreeLAN 2.2 face notable risk from CVE-2021-47882 rated CVSS 7.8. Exploitation could compromise the security of affected deployments.

Is there a public PoC exploit available for CVE-2021-47882?

Yes, a public proof-of-concept exploit is available for CVE-2021-47882. Prioritise patching immediately. EPSS: 0.0%.

How to fix or mitigate CVE-2021-47882?

Within 7 days: Identify all affected systems and apply vendor patches promptly. Monitor vendor channels for patch availability.

Windows CVE-2021-47882

HIGH

Unquoted Search Path or Element (CWE-428)

2026-01-21 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 - 21:54 vuln.today

PoC Detected

Jan 26, 2026 - 15:04 vuln.today

Public exploit code

CVE Published

Jan 21, 2026 - 18:16 nvd

HIGH 7.8

DescriptionCVE.org

FreeLAN 2.2 contains an unquoted service path vulnerability in its Windows service configuration that allows local attackers to execute arbitrary code. Attackers can exploit the unquoted binary path to inject malicious executables that will be launched with elevated LocalSystem privileges during service startup.

AnalysisAI

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

Technical ContextAI

exists in the its Windows component. FreeLAN 2.2 contains an unquoted service path vulnerability in its Windows service configuration that allows local attackers to execute arbitrary code. Attackers can exploit the unquoted binary path to inject malicious executables that will be launched with elevated LocalSystem privileges during service startup.