CVE-2026-13984

MEDIUMNVD 4.34.3—
EchelonGraph scoreHIGH confidence

Score 4.3 from GitHub Security Advisory published 2026-07-01. NVD baseline CVSS 4.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
4.3
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 0%CVSS: 4.3Exploit: NoneExposed: 0

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

Incorrect security UI in TabStrip in Google Chrome prior to 150.0.7871.47 allowed a remote attacker to perform UI spoofing via a crafted HTML page. (Chromium security severity: Medium)

CVSS v3
4.3
EG Score
4.3(high)
EPSS
8.1%
KEV
Not listed

Published

June 30, 2026

Last Modified

July 2, 2026

Advisory Details (2)

Auto-updated Jul 4, 2026
No patch confirmed yet.
generic

Chromium

https://issues.chromium.org/issues/514010404
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-2026-13984(1)

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

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 22× in last 7d / 22× 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 01:04 UTCEG score recompute
  2. 2026-07-07 01:04 UTCVendor advisory
  3. 2026-07-07 01:04 UTCGHSA enrichment
  4. 2026-07-06 16:27 UTCEPSS rescore
  5. 2026-07-06 02:23 UTCEPSS rescore
  6. 2026-07-06 01:05 UTCEG score recompute
  7. 2026-07-06 01:05 UTCVendor advisory
  8. 2026-07-06 01:05 UTCGHSA enrichment
  9. 2026-07-05 02:30 UTCEPSS rescore
  10. 2026-07-05 02:30 UTCEPSS rescore
  11. 2026-07-05 01:06 UTCEG score recompute
  12. 2026-07-05 01:06 UTCVendor advisory
  13. 2026-07-05 01:06 UTCGHSA enrichment
  14. 2026-07-04 06:31 UTCEPSS rescore
  15. 2026-07-04 01:04 UTCEG score recompute▲ 4.30
  16. 2026-07-04 01:04 UTCVendor advisory
  17. 2026-07-04 01:03 UTCGHSA enrichment
  18. 2026-07-01 19:07 UTCNVD updateCVSS v3 → 4.3 · severity → MEDIUM
  19. 2026-07-01 15:06 UTCEPSS rescore
  20. 2026-07-01 15:06 UTCEPSS rescore
  21. 2026-06-30 23:29 UTCEG score recompute
  22. 2026-06-30 23:23 UTCNVD updatefirst tracked

Frequently asked(5)

What is CVE-2026-13984?
CVE-2026-13984 is a medium vulnerability published on June 30, 2026. Incorrect security UI in TabStrip in Google Chrome prior to 150.0.7871.47 allowed a remote attacker to perform UI spoofing via a crafted HTML page. (Chromium security severity: Medium)
When was CVE-2026-13984 disclosed?
CVE-2026-13984 was first published in the National Vulnerability Database on June 30, 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-2026-13984 actively exploited?
CVE-2026-13984 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 8.1% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-13984?
CVE-2026-13984 has a CVSS v3 base score of 4.3 (NVD).
How do I remediate CVE-2026-13984?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-13984, 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-2026-13984

Explore →

Is Your Infrastructure Affected by CVE-2026-13984?

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

Start Free Scan →Browse All CVEs