CVE-2018-4186

HIGHNVD 7.57.5—

7.5

In Safari before 11.1, an information leakage issue existed in the handling of downloads in Safari Private Browsing. This issue was addressed with additional validation.

CVSS v3: 7.5
EG Score: 7.5(medium)
EPSS: 55.6%
KEV: Not listed

Published

January 11, 2019

Last Modified

November 21, 2024

References (2)

product-security@applehttps://support.apple.com/HT208695
af854a3a-2127-422b-91ae-364da2661108https://support.apple.com/HT208695

Weakness Classification(1)

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

CWE-200Exposure of Sensitive Information to an Unauthorized Actor

Data Freshness Timeline

(refreshed 12× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-06 13:45 UTCepss_batch
2026-06-06 13:45 UTCepss_batch
2026-06-05 22:45 UTCepss_batch
2026-06-05 22:45 UTCepss_batch
2026-06-05 06:08 UTCepss_batch
2026-06-05 06:08 UTCepss_batch
2026-06-04 13:10 UTCepss_batch
2026-06-04 13:10 UTCepss_batch
2026-06-02 20:11 UTCepss_batch
2026-06-01 13:50 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 00:14 UTCepss_batch
2026-05-31 00:14 UTCepss_batch
2026-05-29 13:41 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-27 23:26 UTCEG score recompute
2026-05-27 23:26 UTCGHSA enrichment
2026-05-27 13:38 UTCepss_batch

Frequently asked(5)

What is CVE-2018-4186?

CVE-2018-4186 is a high vulnerability published on January 11, 2019. In Safari before 11.1, an information leakage issue existed in the handling of downloads in Safari Private Browsing. This issue was addressed with additional validation.

When was CVE-2018-4186 disclosed?

CVE-2018-4186 was first published in the National Vulnerability Database on January 11, 2019, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2018-4186 actively exploited?

CVE-2018-4186 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 55.6% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2018-4186?

CVE-2018-4186 has a CVSS v3 base score of 7.5 (NVD).

How do I remediate CVE-2018-4186?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2018-4186, 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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CVE-2018-4186

📅 Published

🔄 Last Modified

🔗 References (2)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2018-4186?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (2)

Frequently asked(5)

Related CVEs(same CWE)