CVE-2026-11659

CRITICALPre-NVD 9.69.6—
EchelonGraph scoreHIGH confidence

Score 9.6 from GitHub Security Advisory (severity: CRITICAL) published 2026-06-09. 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.

Integer overflow in UI in Google Chrome on Linux prior to 149.0.7827.103 allowed a remote attacker to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: High)

CVSS v3
9.6
EG Score
9.6(high)
EPSS
16.5%
KEV
Not listed

Published

June 8, 2026

Last Modified

June 10, 2026

Advisory Details (2)

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

Chromium

https://issues.chromium.org/issues/513702971
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-2026-11659(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 83× in last 7d / 367× 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 367 total refreshes for this CVE.

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

Related CVEs(same vendor + same CWE)

Frequently asked(5)

What is CVE-2026-11659?
CVE-2026-11659 is a critical vulnerability published on June 8, 2026. Integer overflow in UI in Google Chrome on Linux prior to 149.0.7827.103 allowed a remote attacker to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: High)
When was CVE-2026-11659 disclosed?
CVE-2026-11659 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-2026-11659 actively exploited?
CVE-2026-11659 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 16.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-11659?
CVE-2026-11659 has a CVSS v3.1 base score of 9.6 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-11659?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-11659, 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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