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CVE-2023-42580

CRITICALNVD 9.87.5▼

9.8

Improper URL validation from MCSLaunch deeplink in Galaxy Store prior to version 4.5.64.4 allows attackers to execute JavaScript API to install APK from Galaxy Store.

CVSS v3: 9.8
EG Score: 7.5(medium)
EPSS: 57.2%
KEV: Not listed

Published

December 5, 2023

Last Modified

June 17, 2026

References (2)

mobilehttps://security.samsungmobile.com/serviceWeb.smsb?year=2023&month=12
af854a3a-2127-422b-91ae-364da2661108https://security.samsungmobile.com/serviceWeb.smsb?year=2023&month=12

Data Freshness Timeline

(refreshed 14× in last 7d / 60× 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.

2026-06-24 06:32 UTCNVD updateCVSS v3 → 9.8 · severity → CRITICAL
2026-06-23 21:31 UTCEPSS rescore
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2026-06-22 14:24 UTCEPSS rescore
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2026-06-10 22:17 UTCEPSS rescore
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2026-05-26 07:18 UTCEPSS rescore
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2026-05-26 07:18 UTCEPSS rescore
2026-05-24 12:45 UTCEG score recompute
2026-05-24 12:45 UTCGHSA enrichment

Frequently asked(5)

What is CVE-2023-42580?

CVE-2023-42580 is a critical vulnerability published on December 5, 2023. Improper URL validation from MCSLaunch deeplink in Galaxy Store prior to version 4.5.64.4 allows attackers to execute JavaScript API to install APK from Galaxy Store.

When was CVE-2023-42580 disclosed?

CVE-2023-42580 was first published in the National Vulnerability Database on December 5, 2023, with the most recent update on June 17, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2023-42580 actively exploited?

CVE-2023-42580 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 57.2% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2023-42580?

CVE-2023-42580 has a CVSS v3 base score of 9.8 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 7.5.

How do I remediate CVE-2023-42580?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-42580, 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

Explore the affected products and dependency analysis for CVE-2023-42580

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