CVE-2026-11658

MEDIUMNVD 6.56.5—
EchelonGraph scoreHIGH confidence

Score 6.5 from GitHub Security Advisory published 2026-06-09. NVD baseline CVSS 6.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Trending — 4 sources updated this week
6.5
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 0%CVSS: 6.5Exploit: NoneExposed: 0

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

Insufficient validation of untrusted input in Extensions in Google Chrome prior to 149.0.7827.103 allowed a remote attacker who had compromised the renderer process to bypass site isolation via a crafted HTML page. (Chromium security severity: High)

CVSS v3
6.5
EG Score
6.5(high)
EPSS
13.1%
KEV
Not listed

Published

June 8, 2026

Last Modified

June 10, 2026

Advisory Details (2)

Auto-updated Jun 14, 2026
⚠️ Active exploitation confirmed. No patch confirmed yet.
generic

Chromium

https://issues.chromium.org/issues/513564337
generic🔴 Active Exploitation

Chrome Releases: Stable Channel Update for Desktop

https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop_0153744567.html

Vendor Advisories for CVE-2026-11658(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 26× in last 7d / 107× 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 107 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 18:59 UTCEG score recompute
  4. 2026-07-05 18:59 UTCVendor advisory
  5. 2026-07-05 18:59 UTCGHSA enrichment
  6. 2026-07-05 02:30 UTCEPSS rescore
  7. 2026-07-05 02:30 UTCEPSS rescore
  8. 2026-07-04 20:03 UTCEG score recompute
  9. 2026-07-04 20:03 UTCVendor advisory
  10. 2026-07-04 20:03 UTCGHSA enrichment
  11. 2026-07-04 06:31 UTCEPSS rescore
  12. 2026-07-03 17:41 UTCEG score recompute
  13. 2026-07-03 17:41 UTCVendor advisory
  14. 2026-07-03 17:40 UTCGHSA enrichment
  15. 2026-07-02 18:45 UTCEG score recompute
  16. 2026-07-02 18:45 UTCVendor advisory
  17. 2026-07-02 18:44 UTCGHSA enrichment
  18. 2026-07-01 19:49 UTCEG score recompute
  19. 2026-07-01 19:49 UTCVendor advisory
  20. 2026-07-01 19:49 UTCGHSA enrichment
  21. 2026-07-01 15:06 UTCEPSS rescore
  22. 2026-07-01 15:06 UTCEPSS rescore
  23. 2026-06-30 23:22 UTCEPSS rescore
  24. 2026-06-30 20:52 UTCEG score recompute
  25. 2026-06-30 20:52 UTCVendor advisory
Show 75 more
  1. 2026-06-30 20:52 UTCGHSA enrichment
  2. 2026-06-29 21:43 UTCEG score recompute
  3. 2026-06-29 21:43 UTCVendor advisory
  4. 2026-06-29 21:43 UTCGHSA enrichment
  5. 2026-06-29 14:06 UTCEPSS rescore
  6. 2026-06-28 22:48 UTCEG score recompute
  7. 2026-06-28 22:48 UTCVendor advisory
  8. 2026-06-28 22:48 UTCGHSA enrichment
  9. 2026-06-28 14:07 UTCEPSS rescore
  10. 2026-06-28 04:56 UTCEPSS rescore
  11. 2026-06-28 04:56 UTCEPSS rescore
  12. 2026-06-27 23:51 UTCEG score recompute
  13. 2026-06-27 23:51 UTCVendor advisory
  14. 2026-06-27 23:51 UTCGHSA enrichment
  15. 2026-06-27 03:08 UTCEPSS rescore
  16. 2026-06-27 00:55 UTCEG score recompute
  17. 2026-06-27 00:55 UTCVendor advisory
  18. 2026-06-27 00:55 UTCGHSA enrichment
  19. 2026-06-26 01:28 UTCEG score recompute
  20. 2026-06-26 01:28 UTCVendor advisory
  21. 2026-06-26 01:28 UTCGHSA enrichment
  22. 2026-06-25 13:49 UTCEPSS rescore
  23. 2026-06-25 02:33 UTCEG score recompute
  24. 2026-06-25 02:33 UTCVendor advisory
  25. 2026-06-25 02:32 UTCGHSA enrichment
  26. 2026-06-24 14:05 UTCEPSS rescore
  27. 2026-06-24 03:37 UTCEG score recompute
  28. 2026-06-24 03:37 UTCVendor advisory
  29. 2026-06-24 03:37 UTCGHSA enrichment
  30. 2026-06-23 21:32 UTCEPSS rescore
  31. 2026-06-23 04:36 UTCEG score recompute
  32. 2026-06-23 04:36 UTCVendor advisory
  33. 2026-06-23 04:36 UTCGHSA enrichment
  34. 2026-06-22 14:25 UTCEPSS rescore
  35. 2026-06-22 14:25 UTCEPSS rescore
  36. 2026-06-22 05:40 UTCEG score recompute
  37. 2026-06-22 05:40 UTCVendor advisory
  38. 2026-06-22 05:40 UTCGHSA enrichment
  39. 2026-06-21 14:56 UTCEPSS rescore
  40. 2026-06-21 14:56 UTCEPSS rescore
  41. 2026-06-21 01:59 UTCEPSS rescore
  42. 2026-06-21 01:59 UTCEPSS rescore
  43. 2026-06-20 21:47 UTCEG score recompute
  44. 2026-06-20 21:47 UTCVendor advisory
  45. 2026-06-20 21:47 UTCGHSA enrichment
  46. 2026-06-19 20:09 UTCEG score recompute
  47. 2026-06-19 20:09 UTCVendor advisory
  48. 2026-06-19 20:09 UTCGHSA enrichment
  49. 2026-06-19 19:25 UTCEPSS rescore
  50. 2026-06-18 21:13 UTCEG score recompute
  51. 2026-06-18 21:13 UTCGHSA enrichment
  52. 2026-06-18 17:52 UTCEPSS rescore
  53. 2026-06-17 22:18 UTCEG score recompute
  54. 2026-06-17 22:17 UTCGHSA enrichment
  55. 2026-06-17 17:53 UTCEPSS rescore
  56. 2026-06-16 23:12 UTCEG score recompute
  57. 2026-06-16 23:12 UTCVendor advisory
  58. 2026-06-16 23:12 UTCGHSA enrichment
  59. 2026-06-16 17:52 UTCEPSS rescore
  60. 2026-06-16 00:16 UTCEG score recompute
  61. 2026-06-16 00:16 UTCVendor advisory
  62. 2026-06-16 00:16 UTCGHSA enrichment
  63. 2026-06-15 17:48 UTCEPSS rescore
  64. 2026-06-15 01:20 UTCEG score recompute
  65. 2026-06-15 01:20 UTCGHSA enrichment
  66. 2026-06-14 23:18 UTCEPSS rescore
  67. 2026-06-14 02:24 UTCEG score recompute
  68. 2026-06-14 02:24 UTCGHSA enrichment
  69. 2026-06-13 23:00 UTCEPSS rescore
  70. 2026-06-13 23:00 UTCEPSS rescore
  71. 2026-06-13 03:29 UTCEG score recompute
  72. 2026-06-13 03:29 UTCGHSA enrichment
  73. 2026-06-12 23:12 UTCEPSS rescore
  74. 2026-06-12 04:34 UTCEG score recompute▲ 6.50
  75. 2026-06-12 04:34 UTCGHSA enrichment

Related CVEs(same vendor + same CWE)

Frequently asked(5)

What is CVE-2026-11658?
CVE-2026-11658 is a medium vulnerability published on June 8, 2026. Insufficient validation of untrusted input in Extensions in Google Chrome prior to 149.0.7827.103 allowed a remote attacker who had compromised the renderer process to bypass site isolation via a crafted HTML page. (Chromium security severity: High)
When was CVE-2026-11658 disclosed?
CVE-2026-11658 was first published in the National Vulnerability Database on June 8, 2026, with the most recent update on June 10, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-11658 actively exploited?
CVE-2026-11658 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 13.1% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-11658?
CVE-2026-11658 has a CVSS v3 base score of 6.5 (NVD).
How do I remediate CVE-2026-11658?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-11658, 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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