CVE-2026-1220

HIGHPre-NVD 7.57.5
EchelonGraph scoreMEDIUM confidence

Score 7.5 from GitHub Security Advisory (severity: HIGH) published 2026-06-10. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 7.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
7.5
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 7.5Exploit: NoneExposed: 0

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

Race in V8 in Google Chrome prior to 144.0.7559.99 allowed a remote attacker to potentially exploit type confusion via a crafted HTML page. (Chromium security severity: High)

CVSS v3
7.5
EG Score
7.5(medium)
EG Risk
38(Track)
EG Risk 38/100SSVC: 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
Severity75% × 45%
Exploitation0% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS
21.8%
KEV
Not listed

Published

June 10, 2026

Last Modified

July 23, 2026

Advisory Details (2)

Auto-updated Jun 12, 2026
🔬 Proof of concept available. No patch confirmed yet.
generic🟡 PoC Available

Chromium

https://issues.chromium.org/issues/473851441

Vendor Advisories for CVE-2026-1220(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 11× in last 7d / 113× 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 177 total refreshes for this CVE.

  1. 2026-07-24 14:17 UTCEPSS rescore
  2. 2026-07-23 14:18 UTCEPSS rescore
  3. 2026-07-23 14:18 UTCEPSS rescore
  4. 2026-07-23 03:05 UTCEG score recompute
  5. 2026-07-22 14:08 UTCEPSS rescore
  6. 2026-07-21 15:24 UTCEPSS rescore
  7. 2026-07-21 15:24 UTCEPSS rescore
  8. 2026-07-20 17:08 UTCEPSS rescore
  9. 2026-07-19 14:30 UTCEPSS rescore
  10. 2026-07-19 02:28 UTCEPSS rescore
  11. 2026-07-18 10:04 UTCEPSS rescore
  12. 2026-07-16 23:32 UTCVendor advisory
  13. 2026-07-16 23:32 UTCGHSA enrichment
  14. 2026-07-16 17:02 UTCEPSS rescore
  15. 2026-07-16 04:58 UTCVendor advisory
  16. 2026-07-16 04:58 UTCGHSA enrichment
  17. 2026-07-15 16:57 UTCEPSS rescore
  18. 2026-07-15 16:35 UTCVendor advisory
  19. 2026-07-15 16:35 UTCGHSA enrichment
  20. 2026-07-15 03:55 UTCVendor advisory
  21. 2026-07-15 03:55 UTCGHSA enrichment
  22. 2026-07-15 02:00 UTCEPSS rescore
  23. 2026-07-14 14:33 UTCVendor advisory
  24. 2026-07-14 14:33 UTCGHSA enrichment
  25. 2026-07-14 02:11 UTCVendor advisory
Show 75 more
  1. 2026-07-14 02:11 UTCGHSA enrichment
  2. 2026-07-13 22:30 UTCEPSS rescore
  3. 2026-07-13 13:46 UTCGHSA enrichment
  4. 2026-07-13 06:12 UTCEPSS rescore
  5. 2026-07-12 23:10 UTCVendor advisory
  6. 2026-07-12 23:10 UTCGHSA enrichment
  7. 2026-07-12 08:19 UTCVendor advisory
  8. 2026-07-12 08:19 UTCGHSA enrichment
  9. 2026-07-12 05:46 UTCEPSS rescore
  10. 2026-07-11 20:00 UTCVendor advisory
  11. 2026-07-11 20:00 UTCGHSA enrichment
  12. 2026-07-11 08:27 UTCEPSS rescore
  13. 2026-07-11 07:41 UTCVendor advisory
  14. 2026-07-11 07:41 UTCGHSA enrichment
  15. 2026-07-10 18:00 UTCVendor advisory
  16. 2026-07-10 18:00 UTCGHSA enrichment
  17. 2026-07-09 23:27 UTCVendor advisory
  18. 2026-07-09 23:27 UTCGHSA enrichment
  19. 2026-07-09 19:10 UTCEPSS rescore
  20. 2026-07-09 11:06 UTCVendor advisory
  21. 2026-07-09 11:06 UTCGHSA enrichment
  22. 2026-07-08 22:30 UTCVendor advisory
  23. 2026-07-08 22:30 UTCGHSA enrichment
  24. 2026-07-08 15:15 UTCEPSS rescore
  25. 2026-07-08 15:15 UTCEPSS rescore
  26. 2026-07-08 10:09 UTCVendor advisory
  27. 2026-07-08 10:09 UTCGHSA enrichment
  28. 2026-07-07 21:51 UTCVendor advisory
  29. 2026-07-07 21:50 UTCGHSA enrichment
  30. 2026-07-07 13:46 UTCEPSS rescore
  31. 2026-07-07 03:29 UTCVendor advisory
  32. 2026-07-07 03:29 UTCGHSA enrichment
  33. 2026-07-06 16:27 UTCEPSS rescore
  34. 2026-07-06 02:23 UTCEPSS rescore
  35. 2026-07-06 01:31 UTCVendor advisory
  36. 2026-07-06 01:31 UTCGHSA enrichment
  37. 2026-07-05 13:09 UTCVendor advisory
  38. 2026-07-05 13:09 UTCGHSA enrichment
  39. 2026-07-05 02:30 UTCEPSS rescore
  40. 2026-07-05 02:30 UTCEPSS rescore
  41. 2026-07-04 23:58 UTCVendor advisory
  42. 2026-07-04 23:58 UTCGHSA enrichment
  43. 2026-07-04 11:39 UTCVendor advisory
  44. 2026-07-04 11:39 UTCGHSA enrichment
  45. 2026-07-04 06:31 UTCEPSS rescore
  46. 2026-07-03 22:13 UTCVendor advisory
  47. 2026-07-03 22:13 UTCGHSA enrichment
  48. 2026-07-03 09:54 UTCVendor advisory
  49. 2026-07-03 09:53 UTCGHSA enrichment
  50. 2026-07-02 21:32 UTCVendor advisory
  51. 2026-07-02 21:32 UTCGHSA enrichment
  52. 2026-07-02 09:13 UTCVendor advisory
  53. 2026-07-02 09:13 UTCGHSA enrichment
  54. 2026-07-01 20:53 UTCVendor advisory
  55. 2026-07-01 20:53 UTCGHSA enrichment
  56. 2026-07-01 15:06 UTCEPSS rescore
  57. 2026-07-01 15:06 UTCEPSS rescore
  58. 2026-07-01 08:34 UTCVendor advisory
  59. 2026-07-01 08:34 UTCGHSA enrichment
  60. 2026-06-30 23:22 UTCEPSS rescore
  61. 2026-06-30 20:15 UTCVendor advisory
  62. 2026-06-30 20:14 UTCGHSA enrichment
  63. 2026-06-30 07:54 UTCVendor advisory
  64. 2026-06-30 07:54 UTCGHSA enrichment
  65. 2026-06-29 19:35 UTCVendor advisory
  66. 2026-06-29 19:35 UTCGHSA enrichment
  67. 2026-06-29 14:06 UTCEPSS rescore
  68. 2026-06-29 07:16 UTCVendor advisory
  69. 2026-06-29 07:16 UTCGHSA enrichment
  70. 2026-06-28 18:57 UTCVendor advisory
  71. 2026-06-28 18:57 UTCGHSA enrichment
  72. 2026-06-28 14:07 UTCEPSS rescore
  73. 2026-06-28 06:37 UTCVendor advisory
  74. 2026-06-28 06:37 UTCGHSA enrichment
  75. 2026-06-28 04:56 UTCEPSS rescore

Frequently asked(5)

What is CVE-2026-1220?
CVE-2026-1220 is a high vulnerability published on June 10, 2026. Race in V8 in Google Chrome prior to 144.0.7559.99 allowed a remote attacker to potentially exploit type confusion via a crafted HTML page. (Chromium security severity: High)
When was CVE-2026-1220 disclosed?
CVE-2026-1220 was first published in the National Vulnerability Database on June 10, 2026, with the most recent update on July 23, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-1220 actively exploited?
CVE-2026-1220 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 21.8% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-1220?
CVE-2026-1220 has a CVSS v3.1 base score of 7.5 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-1220?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-1220, 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-2026-1220

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