CVE-2022-40126

HIGHNVD 7.87.8—Elevated

7.8

A misconfiguration in the Service Mode profile directory of Clash for Windows v0.19.9 allows attackers to escalate privileges and execute arbitrary commands when Service Mode is activated.

CVSS v3: 7.8
EG Score: 7.8(medium)
EPSS: 28.8%
KEV: Not listed

Published

September 29, 2022

Last Modified

May 21, 2025

References (2)

cve@mitrehttps://github.com/Fndroid/clash_for_windows_pkg/issues/3405
af854a3a-2127-422b-91ae-364da2661108https://github.com/Fndroid/clash_for_windows_pkg/issues/3405

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-552Files or Directories Accessible to External Parties

Data Freshness Timeline

(refreshed 10× in last 7d / 41× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

2026-06-14 23:16 UTCEPSS rescore
2026-06-13 22:59 UTCEPSS rescore
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2026-05-31 22:29 UTCEPSS rescore

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2026-05-31 22:29 UTCEPSS rescore
2026-05-31 00:15 UTCEPSS rescore
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2026-05-29 13:43 UTCEPSS rescore
2026-05-28 13:43 UTCEPSS rescore
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2026-05-26 13:43 UTCEPSS rescore
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2026-05-26 07:17 UTCEPSS rescore
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2026-05-26 07:17 UTCEPSS rescore
2026-05-25 14:30 UTCEG score recompute
2026-05-25 14:30 UTCGHSA enrichment

Publicly available exploits

(1 reference)

Working exploit code is in the public domain (1 GitHub PoC). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

GitHub PoCLovelyWei/CVE-2022-40126
First seen Sep 29, 2022
Don't be evil.
Open source ↗

Frequently asked(5)

What is CVE-2022-40126?

CVE-2022-40126 is a high vulnerability published on September 29, 2022. A misconfiguration in the Service Mode profile directory of Clash for Windows v0.19.9 allows attackers to escalate privileges and execute arbitrary commands when Service Mode is activated.

When was CVE-2022-40126 disclosed?

CVE-2022-40126 was first published in the National Vulnerability Database on September 29, 2022, with the most recent update on May 21, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2022-40126 actively exploited?

CVE-2022-40126 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 28.8% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2022-40126?

CVE-2022-40126 has a CVSS v3 base score of 7.8 (NVD).

How do I remediate CVE-2022-40126?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2022-40126, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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