CVE-2026-21052

MEDIUMPre-NVD 6.86.8—
EchelonGraph scoreMEDIUM confidence

This medium-severity CVE scores 6.8 under a secondary CVSS source (NVD's own analysis pending). EPSS exploit probability: 0.1%, top 97% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: epss, secondary
Trending — 4 sources updated this week
6.8
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 0%CVSS: 6.8Exploit: NoneExposed: 0

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

Path traversal in SemClipboardService prior to SMR Jul-2026 Release 1 allows local privileged attackers to access files with system privilege.

CVSS v3
6.8
EG Score
6.8(medium)
EPSS
3.1%
KEV
Not listed

Published

July 10, 2026

Last Modified

July 14, 2026

Advisory Details (1)

Auto-updated Jul 10, 2026
No patch confirmed yet.
generic

Samsung Mobile Security

https://security.samsungmobile.com/securityUpdate.smsb?year=2026&month=07

Vendor Advisories for CVE-2026-21052(1)

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

Data Freshness Timeline

(refreshed 20× in last 7d / 20× 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. 2026-07-15 16:57 UTCEPSS rescore
  2. 2026-07-15 16:57 UTCEPSS rescore
  3. 2026-07-15 16:50 UTCEG score recompute
  4. 2026-07-15 16:50 UTCGHSA enrichment
  5. 2026-07-14 18:54 UTCEG score recompute
  6. 2026-07-14 18:54 UTCGHSA enrichment
  7. 2026-07-13 22:30 UTCEPSS rescore
  8. 2026-07-13 20:58 UTCEG score recompute
  9. 2026-07-13 20:58 UTCGHSA enrichment
  10. 2026-07-12 23:02 UTCEG score recompute
  11. 2026-07-12 23:02 UTCGHSA enrichment
  12. 2026-07-12 05:46 UTCEPSS rescore
  13. 2026-07-12 05:46 UTCEPSS rescore
  14. 2026-07-12 01:06 UTCEG score recompute
  15. 2026-07-12 01:06 UTCGHSA enrichment
  16. 2026-07-11 08:27 UTCEPSS rescore
  17. 2026-07-11 03:10 UTCEG score recompute
  18. 2026-07-11 03:10 UTCGHSA enrichment
  19. 2026-07-10 05:14 UTCEG score recompute
  20. 2026-07-10 05:13 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-21052?
CVE-2026-21052 is a medium vulnerability published on July 10, 2026. Path traversal in SemClipboardService prior to SMR Jul-2026 Release 1 allows local privileged attackers to access files with system privilege.
When was CVE-2026-21052 disclosed?
CVE-2026-21052 was first published in the National Vulnerability Database on July 10, 2026, with the most recent update on July 14, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-21052 actively exploited?
CVE-2026-21052 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 3.1% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-21052?
CVE-2026-21052 has a CVSS v3 base score of 6.8 (NVD).
How do I remediate CVE-2026-21052?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-21052, 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-2026-21052

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