CVE-2026-11308

MEDIUMPre-NVD 6.36.3
EchelonGraph scoreMEDIUM confidence

Score 6.3 from GitHub Security Advisory published 2026-06-05. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 6.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Trending — 4 sources updated this week
6.3
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 0%CVSS: 6.3Exploit: 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 an attacker who convinced a user to install a malicious extension to perform privilege escalation via a crafted Chrome Extension. (Chromium security severity: Low)

CVSS v3
6.3
EG Score
6.3(medium)
EPSS
1.0%
KEV
Not listed

Published

June 4, 2026

Last Modified

June 8, 2026

Advisory Details (2)

Auto-updated Jun 13, 2026
No patch confirmed yet.

Vendor Advisories for CVE-2026-11308(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 24× 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 118 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 18:53 UTCEG score recompute
  4. 2026-07-05 18:53 UTCVendor advisory
  5. 2026-07-05 18:53 UTCGHSA enrichment
  6. 2026-07-04 20:55 UTCEG score recompute
  7. 2026-07-04 20:55 UTCVendor advisory
  8. 2026-07-04 20:55 UTCGHSA enrichment
  9. 2026-07-04 06:31 UTCEPSS rescore
  10. 2026-07-03 03:02 UTCEG score recompute
  11. 2026-07-03 03:02 UTCVendor advisory
  12. 2026-07-03 03:02 UTCGHSA enrichment
  13. 2026-07-02 05:18 UTCEG score recompute
  14. 2026-07-02 05:18 UTCVendor advisory
  15. 2026-07-02 05:18 UTCGHSA enrichment
  16. 2026-07-01 15:06 UTCEPSS rescore
  17. 2026-07-01 15:06 UTCEPSS rescore
  18. 2026-07-01 07:23 UTCEG score recompute
  19. 2026-07-01 07:23 UTCVendor advisory
  20. 2026-07-01 07:23 UTCGHSA enrichment
  21. 2026-06-30 23:22 UTCEPSS rescore
  22. 2026-06-30 08:00 UTCEG score recompute
  23. 2026-06-30 08:00 UTCVendor advisory
  24. 2026-06-30 08:00 UTCGHSA enrichment
  25. 2026-06-29 10:16 UTCEG score recompute
Show 75 more
  1. 2026-06-29 10:16 UTCVendor advisory
  2. 2026-06-29 10:16 UTCGHSA enrichment
  3. 2026-06-28 14:07 UTCEPSS rescore
  4. 2026-06-28 12:34 UTCEG score recompute
  5. 2026-06-28 12:34 UTCVendor advisory
  6. 2026-06-28 12:34 UTCGHSA enrichment
  7. 2026-06-28 04:56 UTCEPSS rescore
  8. 2026-06-28 04:56 UTCEPSS rescore
  9. 2026-06-27 14:51 UTCEG score recompute
  10. 2026-06-27 14:51 UTCVendor advisory
  11. 2026-06-27 14:51 UTCGHSA enrichment
  12. 2026-06-27 03:08 UTCEPSS rescore
  13. 2026-06-26 17:08 UTCEG score recompute
  14. 2026-06-26 17:08 UTCVendor advisory
  15. 2026-06-26 17:08 UTCGHSA enrichment
  16. 2026-06-25 19:25 UTCEG score recompute
  17. 2026-06-25 19:25 UTCVendor advisory
  18. 2026-06-25 19:25 UTCGHSA enrichment
  19. 2026-06-25 13:49 UTCEPSS rescore
  20. 2026-06-24 21:42 UTCEG score recompute
  21. 2026-06-24 21:42 UTCVendor advisory
  22. 2026-06-24 21:42 UTCGHSA enrichment
  23. 2026-06-23 23:05 UTCEG score recompute
  24. 2026-06-23 23:05 UTCVendor advisory
  25. 2026-06-23 23:04 UTCGHSA enrichment
  26. 2026-06-22 23:21 UTCEG score recompute
  27. 2026-06-22 23:21 UTCVendor advisory
  28. 2026-06-22 23:21 UTCGHSA enrichment
  29. 2026-06-22 14:25 UTCEPSS rescore
  30. 2026-06-22 14:25 UTCEPSS rescore
  31. 2026-06-21 06:30 UTCEG score recompute
  32. 2026-06-21 06:30 UTCVendor advisory
  33. 2026-06-21 06:29 UTCGHSA enrichment
  34. 2026-06-21 01:59 UTCEPSS rescore
  35. 2026-06-21 01:59 UTCEPSS rescore
  36. 2026-06-20 08:43 UTCEG score recompute
  37. 2026-06-20 08:43 UTCVendor advisory
  38. 2026-06-20 08:43 UTCGHSA enrichment
  39. 2026-06-19 02:30 UTCEG score recompute
  40. 2026-06-19 02:30 UTCGHSA enrichment
  41. 2026-06-18 17:52 UTCEPSS rescore
  42. 2026-06-18 04:46 UTCEG score recompute
  43. 2026-06-18 04:46 UTCVendor advisory
  44. 2026-06-18 04:46 UTCGHSA enrichment
  45. 2026-06-17 17:53 UTCEPSS rescore
  46. 2026-06-17 06:52 UTCEG score recompute
  47. 2026-06-17 06:52 UTCGHSA enrichment
  48. 2026-06-16 17:52 UTCEPSS rescore
  49. 2026-06-16 08:57 UTCEG score recompute
  50. 2026-06-16 08:57 UTCVendor advisory
  51. 2026-06-16 08:57 UTCGHSA enrichment
  52. 2026-06-15 17:48 UTCEPSS rescore
  53. 2026-06-15 11:03 UTCEG score recompute
  54. 2026-06-15 11:03 UTCVendor advisory
  55. 2026-06-15 11:02 UTCGHSA enrichment
  56. 2026-06-14 23:18 UTCEPSS rescore
  57. 2026-06-14 13:03 UTCEG score recompute
  58. 2026-06-14 13:03 UTCVendor advisory
  59. 2026-06-14 13:03 UTCGHSA enrichment
  60. 2026-06-13 23:00 UTCEPSS rescore
  61. 2026-06-13 23:00 UTCEPSS rescore
  62. 2026-06-13 15:20 UTCEG score recompute
  63. 2026-06-13 15:20 UTCGHSA enrichment
  64. 2026-06-12 23:12 UTCEPSS rescore
  65. 2026-06-12 17:35 UTCEG score recompute
  66. 2026-06-12 17:35 UTCVendor advisory
  67. 2026-06-12 17:35 UTCGHSA enrichment
  68. 2026-06-11 19:53 UTCEG score recompute
  69. 2026-06-11 19:53 UTCGHSA enrichment
  70. 2026-06-11 14:00 UTCEPSS rescore
  71. 2026-06-10 22:18 UTCEPSS rescore
  72. 2026-06-10 22:11 UTCEG score recompute
  73. 2026-06-10 22:11 UTCVendor advisory
  74. 2026-06-10 22:11 UTCGHSA enrichment
  75. 2026-06-10 13:22 UTCEPSS rescore

Frequently asked(5)

What is CVE-2026-11308?
CVE-2026-11308 is a medium vulnerability published on June 4, 2026. Inappropriate implementation in Extensions in Google Chrome prior to 149.0.7827.53 allowed an attacker who convinced a user to install a malicious extension to perform privilege escalation via a crafted Chrome Extension. (Chromium security severity: Low)
When was CVE-2026-11308 disclosed?
CVE-2026-11308 was first published in the National Vulnerability Database on June 4, 2026, with the most recent update on June 8, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-11308 actively exploited?
CVE-2026-11308 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1.0% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-11308?
CVE-2026-11308 has a CVSS v3.1 base score of 6.3 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-11308?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-11308, 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-2026-11308

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