CVE-2026-16420

HIGHPre-NVD 8.88.8—
EchelonGraph scoreHIGH confidence

Score 8.8 from GitHub Security Advisory (severity: HIGH) published 2026-07-22. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 8.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Trending — 6 sources updated this week
8.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 8.8Exploit: None knownExposed: 0

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

Type Confusion in WebAudio in Google Chrome prior to 150.0.7871.182 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity: High)

CVSS v3
8.8
EG Score
8.8(high)
EG Risk
40(Track)
EG Risk 40/100SSVC: 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
Severity88% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
30%
KEV
Not listed

Published

July 21, 2026

Last Modified

July 24, 2026

Advisory Details (2)

Auto-updated Jul 24, 2026
No patch confirmed yet.
generic

Chromium

https://issues.chromium.org/issues/527930356
generic

Chrome Releases: Stable Channel Update for Desktop

https://chromereleases.googleblog.com/2026/07/stable-channel-update-for-desktop_0256605430.html

Vendor Advisories for CVE-2026-16420(2)

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 146× in last 7d / 146× 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.

Showing the most recent 100 of 146 total refreshes for this CVE.

  1. 2026-07-28 06:01 UTCVendor advisory
  2. 2026-07-28 06:01 UTCGHSA enrichment
  3. 2026-07-27 17:24 UTCEG score recompute
  4. 2026-07-27 17:24 UTCVendor advisory
  5. 2026-07-27 17:24 UTCGHSA enrichment
  6. 2026-07-27 14:13 UTCEPSS rescore
  7. 2026-07-27 04:49 UTCVendor advisory
  8. 2026-07-27 04:48 UTCGHSA enrichment
  9. 2026-07-26 16:10 UTCEG score recompute
  10. 2026-07-26 16:10 UTCVendor advisory
  11. 2026-07-26 16:09 UTCGHSA enrichment
  12. 2026-07-26 14:54 UTCEPSS rescore
  13. 2026-07-26 14:54 UTCEPSS rescore
  14. 2026-07-26 03:31 UTCEG score recompute
  15. 2026-07-26 03:31 UTCVendor advisory
  16. 2026-07-26 03:31 UTCGHSA enrichment
  17. 2026-07-25 14:17 UTCEPSS rescore
  18. 2026-07-25 14:17 UTCEPSS rescore
  19. 2026-07-24 14:17 UTCEPSS rescore
  20. 2026-07-24 13:12 UTCEG score recompute▲ 8.80
  21. 2026-07-24 13:12 UTCVendor advisory
  22. 2026-07-24 13:12 UTCGHSA enrichment
  23. 2026-07-24 13:11 UTCMITRE cvelistV5CVSS v3 → 8.8 · severity → HIGH
  24. 2026-07-24 06:11 UTCNVD update
  25. 2026-07-24 04:41 UTCMITRE cvelistV5
Show 75 more
  1. 2026-07-23 14:18 UTCEPSS rescore
  2. 2026-07-23 14:18 UTCEPSS rescore
  3. 2026-07-23 03:05 UTCEG score recompute
  4. 2026-07-22 14:13 UTCEG score recompute
  5. 2026-07-22 14:12 UTCGHSA enrichment
  6. 2026-07-22 14:08 UTCEPSS rescore
  7. 2026-07-22 14:05 UTCGHSA enrichment
  8. 2026-07-22 07:13 UTCGHSA enrichment
  9. 2026-07-22 07:13 UTCGHSA enrichment
  10. 2026-07-22 07:10 UTCGHSA enrichment
  11. 2026-07-22 07:02 UTCGHSA enrichment
  12. 2026-07-22 07:01 UTCGHSA enrichment
  13. 2026-07-22 06:56 UTCGHSA enrichment
  14. 2026-07-22 06:54 UTCGHSA enrichment
  15. 2026-07-22 06:51 UTCGHSA enrichment
  16. 2026-07-22 06:50 UTCGHSA enrichment
  17. 2026-07-22 06:49 UTCGHSA enrichment
  18. 2026-07-22 06:48 UTCGHSA enrichment
  19. 2026-07-22 06:48 UTCGHSA enrichment
  20. 2026-07-22 06:45 UTCGHSA enrichment
  21. 2026-07-22 06:44 UTCGHSA enrichment
  22. 2026-07-22 06:43 UTCGHSA enrichment
  23. 2026-07-22 06:42 UTCGHSA enrichment
  24. 2026-07-22 06:41 UTCGHSA enrichment
  25. 2026-07-22 06:40 UTCGHSA enrichment
  26. 2026-07-22 06:39 UTCGHSA enrichment
  27. 2026-07-22 06:38 UTCGHSA enrichment
  28. 2026-07-22 06:38 UTCGHSA enrichment
  29. 2026-07-22 06:37 UTCGHSA enrichment
  30. 2026-07-22 06:37 UTCGHSA enrichment
  31. 2026-07-22 06:35 UTCGHSA enrichment
  32. 2026-07-22 06:33 UTCGHSA enrichment
  33. 2026-07-22 06:31 UTCGHSA enrichment
  34. 2026-07-22 06:30 UTCGHSA enrichment
  35. 2026-07-22 06:29 UTCGHSA enrichment
  36. 2026-07-22 06:28 UTCGHSA enrichment
  37. 2026-07-22 06:27 UTCGHSA enrichment
  38. 2026-07-22 06:26 UTCGHSA enrichment
  39. 2026-07-22 06:26 UTCGHSA enrichment
  40. 2026-07-22 06:24 UTCGHSA enrichment
  41. 2026-07-22 06:24 UTCGHSA enrichment
  42. 2026-07-22 06:22 UTCGHSA enrichment
  43. 2026-07-22 06:21 UTCGHSA enrichment
  44. 2026-07-22 06:21 UTCGHSA enrichment
  45. 2026-07-22 06:19 UTCGHSA enrichment
  46. 2026-07-22 06:18 UTCGHSA enrichment
  47. 2026-07-22 06:18 UTCGHSA enrichment
  48. 2026-07-22 06:16 UTCGHSA enrichment
  49. 2026-07-22 06:16 UTCGHSA enrichment
  50. 2026-07-22 06:14 UTCGHSA enrichment
  51. 2026-07-22 06:13 UTCGHSA enrichment
  52. 2026-07-22 06:13 UTCGHSA enrichment
  53. 2026-07-22 06:11 UTCGHSA enrichment
  54. 2026-07-22 06:10 UTCGHSA enrichment
  55. 2026-07-22 06:08 UTCGHSA enrichment
  56. 2026-07-22 06:08 UTCGHSA enrichment
  57. 2026-07-22 06:06 UTCGHSA enrichment
  58. 2026-07-22 06:05 UTCGHSA enrichment
  59. 2026-07-22 06:03 UTCGHSA enrichment
  60. 2026-07-22 06:03 UTCGHSA enrichment
  61. 2026-07-22 05:56 UTCGHSA enrichment
  62. 2026-07-22 05:47 UTCGHSA enrichment
  63. 2026-07-22 05:42 UTCGHSA enrichment
  64. 2026-07-22 05:38 UTCGHSA enrichment
  65. 2026-07-22 03:13 UTCGHSA enrichment
  66. 2026-07-22 03:09 UTCGHSA enrichment
  67. 2026-07-22 03:06 UTCGHSA enrichment
  68. 2026-07-22 03:05 UTCGHSA enrichment
  69. 2026-07-22 03:03 UTCGHSA enrichment
  70. 2026-07-22 03:02 UTCGHSA enrichment
  71. 2026-07-22 03:02 UTCGHSA enrichment
  72. 2026-07-22 02:55 UTCGHSA enrichment
  73. 2026-07-22 02:53 UTCGHSA enrichment
  74. 2026-07-22 02:51 UTCGHSA enrichment
  75. 2026-07-22 02:51 UTCGHSA enrichment

Frequently asked(5)

What is CVE-2026-16420?
CVE-2026-16420 is a high vulnerability published on July 21, 2026. Type Confusion in WebAudio in Google Chrome prior to 150.0.7871.182 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity: High)
When was CVE-2026-16420 disclosed?
CVE-2026-16420 was first published in the National Vulnerability Database on July 21, 2026, with the most recent update on July 24, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-16420 actively exploited?
CVE-2026-16420 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 70.3% of all scored CVEs.
What is the CVSS score of CVE-2026-16420?
CVE-2026-16420 has a CVSS v3.1 base score of 8.8 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-16420?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-16420, 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

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