CVE-2026-17666

CRITICALPre-NVD 9.19.1—
EchelonGraph scoreHIGH confidence

Score 9.1 from GitHub Security Advisory (severity: CRITICAL) published 2026-07-30. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 9.1; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Trending — 4 sources updated this week
9.1EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 9.1Exploit: None knownExposed: 0

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

Cryptographic Flaw in Enterprise in Google Chrome prior to 151.0.7922.72 allowed an attacker in a privileged network position to bypass discretionary access control via malicious network traffic. (Chromium security severity: High)

CVSS v3
9.1
Vendor severity
HIGHper Google (Chromium)Vendor's own band, not a CVSS rating — advisory text: (Chromium security severity: High)
EG Score
9.1(high)
EG Risk
56(Track)
EG Risk 56/100SSVC: 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
Severity91% × 45%
Exploitation0% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
15%
KEV
Not listed

Published

July 30, 2026

Last Modified

August 3, 2026

Advisory Details (2)

Auto-updated Aug 1, 2026
No patch confirmed yet.
generic

Chromium

https://issues.chromium.org/issues/511761758
generic

Chrome Releases: Stable Channel Update for Desktop

https://chromereleases.googleblog.com/2026/07/stable-channel-update-for-desktop_0887107924.html

Vendor Advisories for CVE-2026-17666(1)

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 ... 151.0.7922.47-1 (394 versions)151.0.7922.71-1~deb12u1—
Debian:13(1)
PackageVulnerable rangeFixed inDependents
chromium138.0.7204.183-1 ... 151.0.7922.71-1~deb12u1 (160 versions)151.0.7922.71-1~deb13u1—
Debian:14(1)
PackageVulnerable rangeFixed inDependents
chromium138.0.7204.183-1 ... 151.0.7922.71-1~deb13u1 (162 versions)——

Weakness Classification(1)

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

All Vendor Advisories

(1)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Data Freshness Timeline

(refreshed 80× in last 7d / 306× 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 306 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-17666?
CVE-2026-17666 is a critical vulnerability published on July 30, 2026. Cryptographic Flaw in Enterprise in Google Chrome prior to 151.0.7922.72 allowed an attacker in a privileged network position to bypass discretionary access control via malicious network traffic. (Chromium security severity: High)
When was CVE-2026-17666 disclosed?
CVE-2026-17666 was first published in the National Vulnerability Database on July 30, 2026, with the most recent update on August 3, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-17666 actively exploited?
CVE-2026-17666 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 84.9% of all scored CVEs.
What is the CVSS score of CVE-2026-17666?
CVE-2026-17666 has a CVSS v3.1 base score of 9.1 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-17666?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-17666, 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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