CVE-2026-11009

CRITICALPre-NVD 9.69.6—
EchelonGraph scoreMEDIUM confidence

Score 9.6 from GitHub Security Advisory (severity: CRITICAL) published 2026-06-05. 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
9.6EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 9.6Exploit: None knownExposed: 0

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

Use after free in USB in Google Chrome on Windows prior to 149.0.7827.53 allowed a remote attacker to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: Medium)

CVSS v3
9.6
Vendor severity
MEDIUMper Google (Chromium)Vendor's own band, not a CVSS rating — advisory text: (Chromium security severity: Medium)
EG Score
9.6(medium)
EG Risk
43(Track)
EG Risk 43/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity96% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
25%
KEV
Not listed

Published

June 4, 2026

Last Modified

July 22, 2026

Advisory Details (2)

Auto-updated Sep 14, 2026
🔬 Proof of concept available. No patch confirmed yet.
generic🟡 PoC Available

Chromium

https://issues.chromium.org/issues/496233132
generic

Chrome Releases: Stable Channel Update for Desktop

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

Vendor Advisories for CVE-2026-11009(2)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Affected Packages

(4 across 4 ecosystems)
Debian:11(1)
PackageVulnerable rangeFixed inDependents
chromium100.0.4896.127-1 ... 99.0.4844.84-1~deb11u1 (500 versions)——
Debian:12(1)
PackageVulnerable rangeFixed inDependents
chromium113.0.5672.126-1 ... 148.0.7778.96-3 (363 versions)149.0.7827.53-1~deb12u1—
Debian:13(1)
PackageVulnerable rangeFixed inDependents
chromium138.0.7204.183-1 ... 149.0.7827.53-1~deb12u1 (129 versions)149.0.7827.53-1~deb13u1—
Debian:14(1)
PackageVulnerable rangeFixed inDependents
chromium138.0.7204.183-1 ... 149.0.7827.53-1~deb13u1 (130 versions)149.0.7827.53-1—

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 11× in last 7d / 61× 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 632 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-11009?
CVE-2026-11009 is a critical vulnerability published on June 4, 2026. Use after free in USB in Google Chrome on Windows prior to 149.0.7827.53 allowed a remote attacker to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: Medium)
When was CVE-2026-11009 disclosed?
CVE-2026-11009 was first published in the National Vulnerability Database on June 4, 2026, with the most recent update on July 22, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-11009 actively exploited?
CVE-2026-11009 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 74.5% of all scored CVEs.
What is the CVSS score of CVE-2026-11009?
CVE-2026-11009 has a CVSS v3.1 base score of 9.6 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-11009?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-11009, 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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