CVE-2026-12446

MEDIUMPre-NVD 4.34.3—
EchelonGraph scoreHIGH confidence

Score 4.3 from GitHub Security Advisory published 2026-06-17. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 4.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Trending — 4 sources updated this week
4.3
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 0%CVSS: 4.3Exploit: NoneExposed: 0

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

Inappropriate implementation in Passwords in Google Chrome prior to 149.0.7827.155 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromium security severity: High)

CVSS v3
4.3
EG Score
4.3(high)
EPSS
9.3%
KEV
Not listed

Published

June 17, 2026

Last Modified

June 18, 2026

Advisory Details (2)

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

Chromium

https://issues.chromium.org/issues/513313107
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-2026-12446(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 29× in last 7d / 82× 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. 2026-07-06 16:27 UTCEPSS rescore
  2. 2026-07-06 06:54 UTCEG score recompute
  3. 2026-07-06 06:54 UTCVendor advisory
  4. 2026-07-06 06:54 UTCGHSA enrichment
  5. 2026-07-06 02:23 UTCEPSS rescore
  6. 2026-07-05 07:53 UTCEG score recompute
  7. 2026-07-05 07:53 UTCVendor advisory
  8. 2026-07-05 07:53 UTCGHSA enrichment
  9. 2026-07-05 02:30 UTCEPSS rescore
  10. 2026-07-05 02:30 UTCEPSS rescore
  11. 2026-07-04 06:31 UTCEPSS rescore
  12. 2026-07-04 05:37 UTCEG score recompute
  13. 2026-07-04 05:37 UTCVendor advisory
  14. 2026-07-04 05:37 UTCGHSA enrichment
  15. 2026-07-03 04:47 UTCEG score recompute
  16. 2026-07-03 04:47 UTCVendor advisory
  17. 2026-07-03 04:46 UTCGHSA enrichment
  18. 2026-07-02 05:44 UTCEG score recompute
  19. 2026-07-02 05:44 UTCVendor advisory
  20. 2026-07-02 05:44 UTCGHSA enrichment
  21. 2026-07-01 15:06 UTCEPSS rescore
  22. 2026-07-01 15:06 UTCEPSS rescore
  23. 2026-07-01 06:44 UTCEG score recompute
  24. 2026-07-01 06:44 UTCVendor advisory
  25. 2026-07-01 06:44 UTCGHSA enrichment
Show 57 more
  1. 2026-06-30 23:22 UTCEPSS rescore
  2. 2026-06-30 07:41 UTCEG score recompute
  3. 2026-06-30 07:41 UTCVendor advisory
  4. 2026-06-30 07:41 UTCGHSA enrichment
  5. 2026-06-29 14:06 UTCEPSS rescore
  6. 2026-06-29 08:40 UTCEG score recompute
  7. 2026-06-29 08:40 UTCVendor advisory
  8. 2026-06-29 08:40 UTCGHSA enrichment
  9. 2026-06-28 14:07 UTCEPSS rescore
  10. 2026-06-28 09:39 UTCEG score recompute
  11. 2026-06-28 09:39 UTCVendor advisory
  12. 2026-06-28 09:39 UTCGHSA enrichment
  13. 2026-06-28 04:56 UTCEPSS rescore
  14. 2026-06-28 04:56 UTCEPSS rescore
  15. 2026-06-27 10:39 UTCEG score recompute
  16. 2026-06-27 10:39 UTCVendor advisory
  17. 2026-06-27 10:39 UTCGHSA enrichment
  18. 2026-06-27 03:08 UTCEPSS rescore
  19. 2026-06-26 11:39 UTCEG score recompute
  20. 2026-06-26 11:39 UTCVendor advisory
  21. 2026-06-26 11:38 UTCGHSA enrichment
  22. 2026-06-25 13:49 UTCEPSS rescore
  23. 2026-06-25 08:41 UTCEG score recompute
  24. 2026-06-25 08:41 UTCVendor advisory
  25. 2026-06-25 08:41 UTCGHSA enrichment
  26. 2026-06-24 14:05 UTCEPSS rescore
  27. 2026-06-24 09:41 UTCEG score recompute
  28. 2026-06-24 09:41 UTCVendor advisory
  29. 2026-06-24 09:41 UTCGHSA enrichment
  30. 2026-06-23 21:32 UTCEPSS rescore
  31. 2026-06-23 10:38 UTCEG score recompute
  32. 2026-06-23 10:38 UTCVendor advisory
  33. 2026-06-23 10:38 UTCGHSA enrichment
  34. 2026-06-22 14:25 UTCEPSS rescore
  35. 2026-06-22 14:25 UTCEPSS rescore
  36. 2026-06-22 11:32 UTCEG score recompute
  37. 2026-06-22 11:32 UTCVendor advisory
  38. 2026-06-22 11:32 UTCGHSA enrichment
  39. 2026-06-21 14:56 UTCEPSS rescore
  40. 2026-06-21 14:56 UTCEPSS rescore
  41. 2026-06-21 12:31 UTCEG score recompute
  42. 2026-06-21 12:31 UTCVendor advisory
  43. 2026-06-21 12:31 UTCGHSA enrichment
  44. 2026-06-21 01:59 UTCEPSS rescore
  45. 2026-06-21 01:59 UTCEPSS rescore
  46. 2026-06-20 13:29 UTCEG score recompute
  47. 2026-06-20 13:29 UTCVendor advisory
  48. 2026-06-20 13:28 UTCGHSA enrichment
  49. 2026-06-19 19:25 UTCEPSS rescore
  50. 2026-06-19 14:28 UTCEG score recompute
  51. 2026-06-19 14:27 UTCGHSA enrichment
  52. 2026-06-18 17:52 UTCEPSS rescore
  53. 2026-06-18 15:26 UTCEG score recompute
  54. 2026-06-18 15:26 UTCGHSA enrichment
  55. 2026-06-17 17:53 UTCEPSS rescore
  56. 2026-06-17 16:19 UTCEG score recompute
  57. 2026-06-17 15:50 UTCNVD updatefirst tracked

Frequently asked(5)

What is CVE-2026-12446?
CVE-2026-12446 is a medium vulnerability published on June 17, 2026. Inappropriate implementation in Passwords in Google Chrome prior to 149.0.7827.155 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromium security severity: High)
When was CVE-2026-12446 disclosed?
CVE-2026-12446 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-2026-12446 actively exploited?
CVE-2026-12446 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 9.3% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-12446?
CVE-2026-12446 has a CVSS v3.1 base score of 4.3 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-12446?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-12446, 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-2026-12446

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