CVE-2026-17658

HIGHPre-NVD 8.88.8—
EchelonGraph scoreMEDIUM confidence

Score 8.8 from GitHub Security Advisory (severity: HIGH) published 2026-07-30. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 8.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Trending — 4 sources updated this week
8.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 1%CVSS: 8.8Exploit: 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 V8 in Google Chrome prior to 151.0.7922.72 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity: High)

CVSS v3
8.8
Vendor severity
HIGHper Google (Chromium)Vendor's own band, not a CVSS rating — advisory text: (Chromium security severity: High)
EG Score
8.8(medium)
EG Risk
40(Track)
EG Risk 40/100SSVC: 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
Severity88% × 45%
Exploitation1% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
1%
EPSS %ILE
45%
KEV
Not listed

Published

July 30, 2026

Last Modified

August 6, 2026

Advisory Details (2)

Auto-updated Jul 30, 2026
No patch confirmed yet.
generic

Chromium

https://issues.chromium.org/issues/523030583
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-2026-17658(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 30× in last 7d / 164× 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 175 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-17658?
CVE-2026-17658 is a high vulnerability published on July 30, 2026. Use after free in V8 in Google Chrome prior to 151.0.7922.72 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity: High)
When was CVE-2026-17658 disclosed?
CVE-2026-17658 was first published in the National Vulnerability Database on July 30, 2026, with the most recent update on August 6, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-17658 actively exploited?
CVE-2026-17658 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1% probability of exploitation in the next 30 days, which ranks it in the top 55.3% of all scored CVEs.
What is the CVSS score of CVE-2026-17658?
CVE-2026-17658 has a CVSS v3.1 base score of 8.8 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-17658?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-17658, 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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