CVE-2026-21000

MEDIUMNVD 5.55.5—

5.5

Improper access control in Galaxy Store prior to version 4.6.03.8 allows local attacker to create file with Galaxy Store privilege.

CVSS v3: 5.5
EG Score: 5.5(medium)
EPSS: 8.8%
KEV: Not listed

Published

March 16, 2026

Last Modified

April 7, 2026

References (1)

mobilehttps://security.samsungmobile.com/serviceWeb.smsb?year=2026&month=03

Data Freshness Timeline

(refreshed 18× 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.

2026-05-31 22:30 UTCepss_batch
2026-05-31 22:30 UTCepss_batch
2026-05-31 00:16 UTCepss_batch
2026-05-31 00:16 UTCepss_batch
2026-05-31 00:16 UTCepss_batch
2026-05-29 13:44 UTCepss_batch
2026-05-29 13:44 UTCepss_batch
2026-05-28 13:44 UTCepss_batch
2026-05-28 13:44 UTCepss_batch
2026-05-28 13:44 UTCepss_batch
2026-05-27 13:40 UTCepss_batch
2026-05-27 13:40 UTCepss_batch
2026-05-27 13:40 UTCepss_batch
2026-05-26 13:44 UTCepss_batch
2026-05-26 13:44 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-22 21:16 UTCepss_batch
2026-05-21 22:43 UTCepss_batch

Frequently asked(5)

What is CVE-2026-21000?

CVE-2026-21000 is a medium vulnerability published on March 16, 2026. Improper access control in Galaxy Store prior to version 4.6.03.8 allows local attacker to create file with Galaxy Store privilege.

When was CVE-2026-21000 disclosed?

CVE-2026-21000 was first published in the National Vulnerability Database on March 16, 2026, with the most recent update on April 7, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2026-21000 actively exploited?

CVE-2026-21000 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 8.8% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2026-21000?

CVE-2026-21000 has a CVSS v3 base score of 5.5 (NVD).

How do I remediate CVE-2026-21000?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-21000, 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

See which npm, PyPI, Go, and Maven packages are affected by CVE-2026-21000

Explore →

Is Your Infrastructure Affected by CVE-2026-21000?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Start Free Scan →Browse All CVEs

CVE-2026-21000

📅 Published

🔄 Last Modified

🔗 References (1)