CVE-2026-12454

HIGHPre-NVD 8.38.3
EchelonGraph scoreHIGH confidence

Score 8.3 from GitHub Security Advisory (severity: HIGH) published 2026-06-17. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 8.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Trending — 4 sources updated this week
8.3
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 8.3Exploit: NoneExposed: 0

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

Race in Safe Browsing in Google Chrome on Mac prior to 149.0.7827.155 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: High)

CVSS v3
8.3
EG Score
8.3(high)
EPSS
4.2%
KEV
Not listed

Published

June 17, 2026

Last Modified

June 18, 2026

Advisory Details (2)

Auto-updated Jun 18, 2026
No patch confirmed yet.

Vendor Advisories for CVE-2026-12454(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 46× in last 7d / 130× 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 130 total refreshes for this CVE.

  1. 2026-07-07 01:37 UTCEG score recompute
  2. 2026-07-07 01:37 UTCVendor advisory
  3. 2026-07-07 01:37 UTCGHSA enrichment
  4. 2026-07-06 12:47 UTCEG score recompute
  5. 2026-07-06 12:47 UTCVendor advisory
  6. 2026-07-06 12:47 UTCGHSA enrichment
  7. 2026-07-06 02:23 UTCEPSS rescore
  8. 2026-07-05 20:35 UTCEG score recompute
  9. 2026-07-05 20:35 UTCVendor advisory
  10. 2026-07-05 20:35 UTCGHSA enrichment
  11. 2026-07-05 07:52 UTCEG score recompute
  12. 2026-07-05 07:52 UTCVendor advisory
  13. 2026-07-05 07:52 UTCGHSA enrichment
  14. 2026-07-05 02:30 UTCEPSS rescore
  15. 2026-07-05 02:30 UTCEPSS rescore
  16. 2026-07-04 18:28 UTCEG score recompute
  17. 2026-07-04 18:28 UTCVendor advisory
  18. 2026-07-04 18:28 UTCGHSA enrichment
  19. 2026-07-04 06:31 UTCEPSS rescore
  20. 2026-07-04 05:37 UTCEG score recompute
  21. 2026-07-04 05:37 UTCVendor advisory
  22. 2026-07-04 05:37 UTCGHSA enrichment
  23. 2026-07-03 14:43 UTCEG score recompute
  24. 2026-07-03 14:43 UTCVendor advisory
  25. 2026-07-03 14:43 UTCGHSA enrichment
Show 75 more
  1. 2026-07-03 02:01 UTCEG score recompute
  2. 2026-07-03 02:01 UTCVendor advisory
  3. 2026-07-03 02:01 UTCGHSA enrichment
  4. 2026-07-02 13:18 UTCEG score recompute
  5. 2026-07-02 13:18 UTCVendor advisory
  6. 2026-07-02 13:17 UTCGHSA enrichment
  7. 2026-07-02 00:32 UTCEG score recompute
  8. 2026-07-02 00:32 UTCVendor advisory
  9. 2026-07-02 00:32 UTCGHSA enrichment
  10. 2026-07-01 15:06 UTCEPSS rescore
  11. 2026-07-01 15:06 UTCEPSS rescore
  12. 2026-07-01 11:50 UTCEG score recompute
  13. 2026-07-01 11:50 UTCVendor advisory
  14. 2026-07-01 11:50 UTCGHSA enrichment
  15. 2026-06-30 23:22 UTCEPSS rescore
  16. 2026-06-30 23:07 UTCEG score recompute
  17. 2026-06-30 23:07 UTCVendor advisory
  18. 2026-06-30 23:07 UTCGHSA enrichment
  19. 2026-06-30 10:24 UTCEG score recompute
  20. 2026-06-30 10:24 UTCVendor advisory
  21. 2026-06-30 10:24 UTCGHSA enrichment
  22. 2026-06-29 21:39 UTCEG score recompute
  23. 2026-06-29 21:39 UTCVendor advisory
  24. 2026-06-29 21:39 UTCGHSA enrichment
  25. 2026-06-29 14:06 UTCEPSS rescore
  26. 2026-06-29 08:56 UTCEG score recompute
  27. 2026-06-29 08:56 UTCVendor advisory
  28. 2026-06-29 08:56 UTCGHSA enrichment
  29. 2026-06-28 20:13 UTCEG score recompute
  30. 2026-06-28 20:13 UTCVendor advisory
  31. 2026-06-28 20:13 UTCGHSA enrichment
  32. 2026-06-28 14:07 UTCEPSS rescore
  33. 2026-06-28 07:30 UTCEG score recompute
  34. 2026-06-28 07:30 UTCVendor advisory
  35. 2026-06-28 07:30 UTCGHSA enrichment
  36. 2026-06-28 04:56 UTCEPSS rescore
  37. 2026-06-28 04:56 UTCEPSS rescore
  38. 2026-06-27 18:48 UTCEG score recompute
  39. 2026-06-27 18:48 UTCVendor advisory
  40. 2026-06-27 18:48 UTCGHSA enrichment
  41. 2026-06-27 06:05 UTCEG score recompute
  42. 2026-06-27 06:05 UTCVendor advisory
  43. 2026-06-27 06:05 UTCGHSA enrichment
  44. 2026-06-27 03:08 UTCEPSS rescore
  45. 2026-06-26 17:22 UTCEG score recompute
  46. 2026-06-26 17:22 UTCVendor advisory
  47. 2026-06-26 17:21 UTCGHSA enrichment
  48. 2026-06-26 04:39 UTCEG score recompute
  49. 2026-06-26 04:39 UTCVendor advisory
  50. 2026-06-26 04:39 UTCGHSA enrichment
  51. 2026-06-25 15:55 UTCEG score recompute
  52. 2026-06-25 15:55 UTCVendor advisory
  53. 2026-06-25 15:55 UTCGHSA enrichment
  54. 2026-06-25 13:49 UTCEPSS rescore
  55. 2026-06-25 03:10 UTCEG score recompute
  56. 2026-06-25 03:10 UTCVendor advisory
  57. 2026-06-25 03:10 UTCGHSA enrichment
  58. 2026-06-24 14:25 UTCEG score recompute
  59. 2026-06-24 14:25 UTCVendor advisory
  60. 2026-06-24 14:25 UTCGHSA enrichment
  61. 2026-06-24 14:05 UTCEPSS rescore
  62. 2026-06-24 01:41 UTCEG score recompute
  63. 2026-06-24 01:41 UTCVendor advisory
  64. 2026-06-24 01:41 UTCGHSA enrichment
  65. 2026-06-23 21:32 UTCEPSS rescore
  66. 2026-06-23 12:58 UTCEG score recompute
  67. 2026-06-23 12:58 UTCVendor advisory
  68. 2026-06-23 12:58 UTCGHSA enrichment
  69. 2026-06-23 00:14 UTCEG score recompute
  70. 2026-06-23 00:14 UTCVendor advisory
  71. 2026-06-23 00:14 UTCGHSA enrichment
  72. 2026-06-22 14:25 UTCEPSS rescore
  73. 2026-06-22 14:25 UTCEPSS rescore
  74. 2026-06-22 11:27 UTCEG score recompute
  75. 2026-06-22 11:27 UTCVendor advisory

Frequently asked(5)

What is CVE-2026-12454?
CVE-2026-12454 is a high vulnerability published on June 17, 2026. Race in Safe Browsing in Google Chrome on Mac prior to 149.0.7827.155 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: High)
When was CVE-2026-12454 disclosed?
CVE-2026-12454 was first published in the National Vulnerability Database on June 17, 2026, with the most recent update on June 18, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-12454 actively exploited?
CVE-2026-12454 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 4.2% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-12454?
CVE-2026-12454 has a CVSS v3.1 base score of 8.3 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-12454?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-12454, 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-2026-12454

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