CVE-2026-20987

HIGHNVD 8.7

8.7

Improper input validation in GalaxyDiagnostics prior to version 3.5.050 allows local privileged attackers to execute privileged commands.

CVSS v3: 8.7
EG Score: 0.0(none)
EPSS: 0.4%
KEV: Not listed

Published

February 4, 2026

Last Modified

April 15, 2026

References (1)

mobilehttps://security.samsungmobile.com/serviceWeb.smsb?year=2026&month=02

Data Freshness Timeline

(refreshed 16× 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 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
2026-05-20 23:33 UTCEG score recompute
2026-05-20 23:33 UTCGHSA enrichment
2026-05-20 22:38 UTCepss_batch

Frequently asked(5)

What is CVE-2026-20987?

CVE-2026-20987 is a high vulnerability published on February 4, 2026. Improper input validation in GalaxyDiagnostics prior to version 3.5.050 allows local privileged attackers to execute privileged commands.

When was CVE-2026-20987 disclosed?

CVE-2026-20987 was first published in the National Vulnerability Database on February 4, 2026, with the most recent update on April 15, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2026-20987 actively exploited?

CVE-2026-20987 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.4% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2026-20987?

CVE-2026-20987 has a CVSS v3 base score of 8.7 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 0.0.

How do I remediate CVE-2026-20987?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-20987, 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.

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CVE-2026-20987

📅 Published

🔄 Last Modified

🔗 References (1)