CVE-2026-10420

MEDIUMPre-NVD 5.55.5—
EchelonGraph scoreHIGH confidence

Score 5.5 from GitHub Security Advisory published 2026-09-01. the CNA's CVSS baseline 5.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cna:samsung.tv_appliance, epss, ghsa
Trending — 3 sources updated this week
5.5EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 5.5Exploit: None knownExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

Untrusted pointer dereference vulnerability in Samsung Open Source mTower allows Pointer Manipulation.

This issue affects mTower: before 102d3dc75cf8e58e68e4bea54ae3c803992c91be.

CVSS v3
5.5
EG Score
5.5(high)
EG Risk
25(Track)
EG Risk 25/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity55% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
1%
KEV
Not listed

Published

September 1, 2026

Last Modified

September 14, 2026

Advisory Details (1)

Auto-updated Sep 1, 2026
Upstream fix merged — awaiting tagged release. Sources: github_pr.
github_pr

fix: Validate TA-supplied pointers in secure-kernel syscalls

Fix merged in Samsung/mTower PR #252 on 2026-08-05 — awaiting tagged release

https://github.com/Samsung/mTower/pull/252

Vendor Advisories for CVE-2026-10420(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 19× in last 7d / 50× 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.

  1. 2026-09-19 01:31 UTCEG score recompute
  2. 2026-09-19 01:31 UTCGHSA enrichment
  3. 2026-09-18 19:27 UTCEPSS rescore
  4. 2026-09-18 02:17 UTCEG score recompute
  5. 2026-09-18 02:17 UTCGHSA enrichment
  6. 2026-09-17 03:04 UTCEG score recompute
  7. 2026-09-17 03:04 UTCGHSA enrichment
  8. 2026-09-16 05:14 UTCEPSS rescore
  9. 2026-09-16 03:13 UTCGHSA enrichment
  10. 2026-09-15 04:00 UTCEG score recompute
  11. 2026-09-15 04:00 UTCGHSA enrichment
  12. 2026-09-14 04:45 UTCEG score recompute
  13. 2026-09-14 04:45 UTCGHSA enrichment
  14. 2026-09-13 20:32 UTCEG score recompute
  15. 2026-09-13 20:32 UTCGHSA enrichment
  16. 2026-09-13 16:46 UTCEPSS rescore
  17. 2026-09-12 21:19 UTCEG score recompute
  18. 2026-09-12 21:19 UTCGHSA enrichment
  19. 2026-09-12 15:00 UTCEPSS rescore
  20. 2026-09-11 22:06 UTCEG score recompute
  21. 2026-09-11 22:06 UTCGHSA enrichment
  22. 2026-09-11 14:52 UTCEPSS rescore
  23. 2026-09-11 09:36 UTCEPSS rescore
  24. 2026-09-10 22:53 UTCEG score recompute
  25. 2026-09-10 22:53 UTCGHSA enrichment
Show 25 more
  1. 2026-09-10 09:34 UTCEPSS rescore
  2. 2026-09-09 23:40 UTCGHSA enrichment
  3. 2026-09-08 23:27 UTCEG score recompute
  4. 2026-09-08 23:27 UTCGHSA enrichment
  5. 2026-09-08 22:00 UTCEPSS rescore
  6. 2026-09-07 16:23 UTCEG score recompute
  7. 2026-09-07 16:23 UTCGHSA enrichment
  8. 2026-09-07 16:01 UTCEPSS rescore
  9. 2026-09-06 17:09 UTCEG score recompute
  10. 2026-09-06 17:09 UTCGHSA enrichment
  11. 2026-09-06 13:47 UTCEPSS rescore
  12. 2026-09-05 17:55 UTCEG score recompute
  13. 2026-09-05 17:55 UTCGHSA enrichment
  14. 2026-09-04 18:43 UTCEG score recompute
  15. 2026-09-04 18:43 UTCGHSA enrichment
  16. 2026-09-03 19:30 UTCGHSA enrichment
  17. 2026-09-02 20:15 UTCEG score recompute
  18. 2026-09-02 20:15 UTCGHSA enrichment
  19. 2026-09-02 14:11 UTCEPSS rescore
  20. 2026-09-01 20:58 UTCGHSA enrichment
  21. 2026-09-01 13:41 UTCEG score recompute
  22. 2026-09-01 13:41 UTCGHSA enrichment
  23. 2026-09-01 12:18 UTCEG score recompute
  24. 2026-09-01 11:17 UTCEG score recompute
  25. 2026-09-01 11:16 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-10420?
CVE-2026-10420 is a medium vulnerability published on September 1, 2026. Untrusted pointer dereference vulnerability in Samsung Open Source mTower allows Pointer Manipulation. This issue affects mTower: before 102d3dc75cf8e58e68e4bea54ae3c803992c91be.
When was CVE-2026-10420 disclosed?
CVE-2026-10420 was first published in the National Vulnerability Database on September 1, 2026, with the most recent update on September 14, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-10420 actively exploited?
CVE-2026-10420 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 98.5% of all scored CVEs.
What is the CVSS score of CVE-2026-10420?
CVE-2026-10420 has a CVSS v4.0 base score of 5.5 (CNA self-assessment; NVD's own analysis pending).
How do I remediate CVE-2026-10420?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-10420, 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-2026-10420

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