CVE-2026-84330

MEDIUMPre-NVD 5.45.4—
EchelonGraph scoreHIGH confidence

Score 5.4 from GitHub Security Advisory published 2026-09-02. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 5.4; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Trending — 4 sources updated this week
5.4EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 5.4Exploit: None knownExposed: 0

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

UI misrepresentation in FullScreen in Google Chrome on on Android prior to 152.0.7977.75 allowed a remote attacker to spoof address bar via a crafted HTML page. (Chromium security severity: Medium)

CVSS v3
5.4
Vendor severity
MEDIUMper Google (Chromium)Vendor's own band, not a CVSS rating — advisory text: (Chromium security severity: Medium)
EG Score
5.4(high)
EG Risk
24(Track)
EG Risk 24/100SSVC: 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
Severity54% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
5%
KEV
Not listed

Published

September 1, 2026

Last Modified

September 8, 2026

Advisory Details (2)

Auto-updated Sep 2, 2026
No patch confirmed yet.
generic

Chromium

https://issues.chromium.org/issues/517091927
generic

Chrome Releases: Stable Channel Update for Desktop

https://chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop.html

Vendor Advisories for CVE-2026-84330(2)

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

Affected Packages

(3 across 3 ecosystems)
Debian:12(1)
PackageVulnerable rangeFixed inDependents
chromium113.0.5672.126-1 ... 152.0.7977.64-1 (412 versions)152.0.7977.75-1~deb12u1—
Debian:13(1)
PackageVulnerable rangeFixed inDependents
chromium138.0.7204.183-1 ... 152.0.7977.75-1~deb12u1 (178 versions)152.0.7977.75-1~deb13u1—
Debian:14(1)
PackageVulnerable rangeFixed inDependents
chromium138.0.7204.183-1 ... 152.0.7977.75-1~deb13u1 (180 versions)——

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 26× in last 7d / 62× 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. 2026-09-18 22:03 UTCEG score recompute
  2. 2026-09-18 22:03 UTCVendor advisory
  3. 2026-09-18 22:03 UTCGHSA enrichment
  4. 2026-09-18 19:28 UTCEPSS rescore
  5. 2026-09-17 23:57 UTCEG score recompute
  6. 2026-09-17 23:57 UTCVendor advisory
  7. 2026-09-17 23:57 UTCGHSA enrichment
  8. 2026-09-17 19:32 UTCEPSS rescore
  9. 2026-09-17 01:47 UTCEG score recompute
  10. 2026-09-17 01:47 UTCVendor advisory
  11. 2026-09-17 01:47 UTCGHSA enrichment
  12. 2026-09-16 14:09 UTCEPSS rescore
  13. 2026-09-16 05:15 UTCEPSS rescore
  14. 2026-09-16 03:41 UTCVendor advisory
  15. 2026-09-16 03:41 UTCGHSA enrichment
  16. 2026-09-15 05:35 UTCEG score recompute
  17. 2026-09-15 05:35 UTCVendor advisory
  18. 2026-09-15 05:35 UTCGHSA enrichment
  19. 2026-09-15 03:12 UTCEPSS rescore
  20. 2026-09-15 03:12 UTCEPSS rescore
  21. 2026-09-14 07:20 UTCEG score recompute
  22. 2026-09-14 07:20 UTCVendor advisory
  23. 2026-09-14 07:20 UTCGHSA enrichment
  24. 2026-09-13 09:13 UTCEG score recompute
  25. 2026-09-13 09:13 UTCVendor advisory
Show 37 more
  1. 2026-09-13 09:13 UTCGHSA enrichment
  2. 2026-09-12 11:07 UTCEG score recompute
  3. 2026-09-12 11:07 UTCVendor advisory
  4. 2026-09-12 11:07 UTCGHSA enrichment
  5. 2026-09-11 14:53 UTCEPSS rescore
  6. 2026-09-11 14:53 UTCEPSS rescore
  7. 2026-09-11 12:53 UTCEG score recompute
  8. 2026-09-11 12:53 UTCGHSA enrichment
  9. 2026-09-10 14:33 UTCEG score recompute
  10. 2026-09-10 14:33 UTCGHSA enrichment
  11. 2026-09-09 16:27 UTCEG score recompute
  12. 2026-09-09 16:26 UTCGHSA enrichment
  13. 2026-09-08 22:01 UTCEPSS rescore
  14. 2026-09-08 18:17 UTCGHSA enrichment
  15. 2026-09-08 07:35 UTCEG score recompute
  16. 2026-09-08 07:35 UTCGHSA enrichment
  17. 2026-09-07 09:28 UTCEG score recompute
  18. 2026-09-07 09:27 UTCGHSA enrichment
  19. 2026-09-06 13:48 UTCEPSS rescore
  20. 2026-09-06 11:16 UTCEG score recompute
  21. 2026-09-06 11:16 UTCGHSA enrichment
  22. 2026-09-05 15:31 UTCEPSS rescore
  23. 2026-09-05 13:10 UTCGHSA enrichment
  24. 2026-09-04 15:03 UTCEG score recompute
  25. 2026-09-04 15:03 UTCGHSA enrichment
  26. 2026-09-04 05:07 UTCEPSS rescore
  27. 2026-09-03 16:55 UTCGHSA enrichment
  28. 2026-09-03 09:34 UTCEG score recompute
  29. 2026-09-03 09:34 UTCGHSA enrichment
  30. 2026-09-02 14:12 UTCEPSS rescore
  31. 2026-09-02 11:25 UTCGHSA enrichment
  32. 2026-09-02 10:26 UTCEG score recompute▼ 1.10
  33. 2026-09-02 10:26 UTCGHSA enrichment
  34. 2026-09-02 10:23 UTCMITRE cvelistV5CVSS v3 → 5.4 · severity → MEDIUM
  35. 2026-09-02 00:22 UTCNVD update
  36. 2026-09-01 23:50 UTCEG score recompute
  37. 2026-09-01 23:50 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-84330?
CVE-2026-84330 is a medium vulnerability published on September 1, 2026. UI misrepresentation in FullScreen in Google Chrome on on Android prior to 152.0.7977.75 allowed a remote attacker to spoof address bar via a crafted HTML page. (Chromium security severity: Medium)
When was CVE-2026-84330 disclosed?
CVE-2026-84330 was first published in the National Vulnerability Database on September 1, 2026, with the most recent update on September 8, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-84330 actively exploited?
CVE-2026-84330 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 94.6% of all scored CVEs.
What is the CVSS score of CVE-2026-84330?
CVE-2026-84330 has a CVSS v3.1 base score of 5.4 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-84330?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-84330, 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

See which npm, PyPI, Go, and Maven packages are affected by CVE-2026-84330

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