CVE-2026-14121

CRITICALPre-NVD 9.88.1▼
EchelonGraph scoreMEDIUM confidence

Score 8.1 from GitHub Security Advisory (severity: HIGH) published 2026-07-01. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 9.8; sources differ by 1.7.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Trending — 5 sources updated this week
9.8
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 9.8Exploit: NoneExposed: 0

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

Use after free in Chromoting in Google Chrome on Linux prior to 150.0.7871.47 allowed a remote attacker to execute arbitrary code via malicious network traffic. (Chromium security severity: Low)

CVSS v3
9.8
EG Score
8.1(medium)
EPSS
25.9%
KEV
Not listed

Published

July 1, 2026

Last Modified

July 2, 2026

Advisory Details (2)

Auto-updated Jul 3, 2026
No patch confirmed yet.
generic

Chromium

https://issues.chromium.org/issues/513789382
generic

Chrome Releases: Stable Channel Update for Desktop

https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop_0175352312.html

Vendor Advisories for CVE-2026-14121(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.

All Vendor Advisories

(1)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Data Freshness Timeline

(refreshed 32× in last 7d / 32× 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. 2026-07-07 00:52 UTCEG score recompute
  2. 2026-07-07 00:52 UTCVendor advisory
  3. 2026-07-07 00:52 UTCGHSA enrichment
  4. 2026-07-06 16:27 UTCEPSS rescore
  5. 2026-07-06 13:18 UTCEG score recompute
  6. 2026-07-06 13:18 UTCVendor advisory
  7. 2026-07-06 13:18 UTCGHSA enrichment
  8. 2026-07-06 02:23 UTCEPSS rescore
  9. 2026-07-06 01:38 UTCEG score recompute
  10. 2026-07-06 01:38 UTCVendor advisory
  11. 2026-07-06 01:38 UTCGHSA enrichment
  12. 2026-07-05 14:04 UTCEG score recompute
  13. 2026-07-05 14:04 UTCVendor advisory
  14. 2026-07-05 14:04 UTCGHSA enrichment
  15. 2026-07-05 02:30 UTCEPSS rescore
  16. 2026-07-05 02:30 UTCEPSS rescore
  17. 2026-07-05 02:25 UTCEG score recompute
  18. 2026-07-05 02:25 UTCVendor advisory
  19. 2026-07-05 02:25 UTCGHSA enrichment
  20. 2026-07-04 14:51 UTCEG score recompute
  21. 2026-07-04 14:51 UTCVendor advisory
  22. 2026-07-04 14:51 UTCGHSA enrichment
  23. 2026-07-04 06:31 UTCEPSS rescore
  24. 2026-07-04 03:17 UTCEG score recompute▲ 8.10
  25. 2026-07-04 03:17 UTCVendor advisory
Show 7 more
  1. 2026-07-04 03:17 UTCGHSA enrichment
  2. 2026-07-02 16:58 UTCNVD updateCVSS v3 → 9.8 · severity → CRITICAL
  3. 2026-07-01 17:06 UTCNVD updateCVSS v3 → 8.1 · severity → HIGH
  4. 2026-07-01 15:06 UTCEPSS rescore
  5. 2026-07-01 15:06 UTCEPSS rescore
  6. 2026-07-01 01:23 UTCEG score recompute
  7. 2026-07-01 01:23 UTCGHSA enrichment

Related CVEs(same vendor + same CWE)

Frequently asked(5)

What is CVE-2026-14121?
CVE-2026-14121 is a critical vulnerability published on July 1, 2026. Use after free in Chromoting in Google Chrome on Linux prior to 150.0.7871.47 allowed a remote attacker to execute arbitrary code via malicious network traffic. (Chromium security severity: Low)
When was CVE-2026-14121 disclosed?
CVE-2026-14121 was first published in the National Vulnerability Database on July 1, 2026, with the most recent update on July 2, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-14121 actively exploited?
CVE-2026-14121 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 25.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-14121?
CVE-2026-14121 has a CVSS v3.1 base score of 9.8 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 8.1.
How do I remediate CVE-2026-14121?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-14121, 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-2026-14121

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