CVE-2026-12440

CRITICALPre-NVD 9.69.6—
EchelonGraph scoreHIGH confidence

Score 9.6 from GitHub Security Advisory (severity: CRITICAL) published 2026-06-17. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 9.6; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Trending — 4 sources updated this week
9.6
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 9.6Exploit: NoneExposed: 0

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

Use after free in DigitalCredentials in Google Chrome on Windows prior to 149.0.7827.155 allowed a remote attacker to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: Critical)

CVSS v3
9.6
EG Score
9.6(high)
EPSS
16.4%
KEV
Not listed

Published

June 17, 2026

Last Modified

June 18, 2026

Advisory Details (2)

Auto-updated Jun 17, 2026
No patch confirmed yet.
generic

Chromium

https://issues.chromium.org/issues/519731619
generic

Chrome Releases: Stable Channel Update for Desktop

https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop_01750511403.html

Vendor Advisories for CVE-2026-12440(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 113× in last 7d / 322× 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 322 total refreshes for this CVE.

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

Related CVEs(same vendor + same CWE)

Frequently asked(5)

What is CVE-2026-12440?
CVE-2026-12440 is a critical vulnerability published on June 17, 2026. Use after free in DigitalCredentials in Google Chrome on Windows prior to 149.0.7827.155 allowed a remote attacker to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: Critical)
When was CVE-2026-12440 disclosed?
CVE-2026-12440 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-2026-12440 actively exploited?
CVE-2026-12440 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 16.4% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-12440?
CVE-2026-12440 has a CVSS v3.1 base score of 9.6 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-12440?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-12440, 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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