CVE-2026-11239

HIGHPre-NVD 7.57.5—
EchelonGraph scoreMEDIUM confidence

Score 7.5 from GitHub Security Advisory (severity: HIGH) published 2026-06-05. 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
Trending — 4 sources updated this week
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.

Inappropriate implementation in Extensions in Google Chrome prior to 149.0.7827.53 allowed a remote attacker who had compromised the renderer process to perform privilege escalation via a crafted HTML page. (Chromium security severity: Low)

CVSS v3
7.5
EG Score
7.5(medium)
EPSS
12.6%
KEV
Not listed

Published

June 4, 2026

Last Modified

June 5, 2026

Advisory Details (2)

Auto-updated Jun 9, 2026
No patch confirmed yet.
generic

Chromium

https://issues.chromium.org/issues/497025738
generic

Chrome Releases: Stable Channel Update for Desktop

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

Vendor Advisories for CVE-2026-11239(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 32× in last 7d / 178× 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 183 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-11239?
CVE-2026-11239 is a high vulnerability published on June 4, 2026. Inappropriate implementation in Extensions in Google Chrome prior to 149.0.7827.53 allowed a remote attacker who had compromised the renderer process to perform privilege escalation via a crafted HTML page. (Chromium security severity: Low)
When was CVE-2026-11239 disclosed?
CVE-2026-11239 was first published in the National Vulnerability Database on June 4, 2026, with the most recent update on June 5, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-11239 actively exploited?
CVE-2026-11239 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 12.6% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-11239?
CVE-2026-11239 has a CVSS v3.1 base score of 7.5 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-11239?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-11239, 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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