CVE-2018-17480

HIGHNVD 8.89.0▲
EchelonGraph scoreHIGH confidence

Score elevated to 9.0 because this CVE is listed on the CISA Known Exploited Vulnerabilities catalog (added 2022-06-08), indicating real-world exploitation has been confirmed by US federal agencies. NVD baseline CVSS 8.8 retained for reference. Confidence: HIGH.

Triggered by: CISA KEV (actively exploited)
Sources: cisa_kev, epss, ghsa, nvd
Trending — 5 sources updated this weekExploited in the wild
8.8
EchelonGraph verdictPatch nowTreat as an emergency — this is being exploited.
  • Actively exploited in the wild (CISA-KEV)
CISA-KEV: ExploitedEPSS: 34%CVSS: 8.8Exploit: NoneExposed: 0

A fix is available — apply it.

Execution of user supplied Javascript during array deserialization leading to an out of bounds write in V8 in Google Chrome prior to 71.0.3578.80 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page.

CVSS v3
8.8
EG Score
9.0(high)
EG Risk
81(Attend)
EG Risk 81/100SSVC: Attend

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
Severity90% × 45%
Exploitation100% × 40%
Automatability0% × 15%
Action: Remediate soon — notable exploitation risk.
EPSS
98.2%
KEV
⚠ Exploited

Published

December 11, 2018

Last Modified

October 24, 2025

Advisory Details (6)

Auto-updated Jun 2, 2026
Patch available. Sources: redhat.
generic
https://crbug.com/905940
generic

Chrome Releases: Stable Channel Update for Desktop

https://chromereleases.googleblog.com/2018/12/stable-channel-update-for-desktop.html
redhat Patch Available

Affected: Red Hat Enterprise Linux 6 Supplementary.

https://access.redhat.com/errata/RHSA-2018:3803
generic
http://www.securityfocus.com/bid/106084
generic

[SECURITY] [DSA 4352-1] chromium-browser security update

https://www.debian.org/security/2018/dsa-4352
generic

Chromium, Google Chrome: Multiple vulnerabilities (GLSA 201908-18) — Gentoo security

https://security.gentoo.org/glsa/201908-18

Patch Availability(1)

Vendor / EcosystemFixed in / PatchReleasedSource
redhatchromium-browser-0:71.0.3578.80-1.el6_102018-12-10redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

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 92× in last 7d / 417× 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 773 total refreshes for this CVE.

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

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Frequently asked(6)

What is CVE-2018-17480?
CVE-2018-17480 is a high vulnerability published on December 11, 2018. Execution of user supplied Javascript during array deserialization leading to an out of bounds write in V8 in Google Chrome prior to 71.0.3578.80 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page.
When was CVE-2018-17480 disclosed?
CVE-2018-17480 was first published in the National Vulnerability Database on December 11, 2018, with the most recent update on October 24, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2018-17480 actively exploited?
Yes. CISA added CVE-2018-17480 to the Known Exploited Vulnerabilities catalog on June 8, 2022, affecting Google Chromium V8. KEV listing indicates confirmed exploitation in the wild; this CVE warrants immediate patching attention.
What is the CVSS score of CVE-2018-17480?
CVE-2018-17480 has a CVSS v3 base score of 8.8 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 9.0.
Which products are affected by CVE-2018-17480?
CVE-2018-17480 affects Google Chromium V8. The full affected-products list, including version ranges and fixed versions, is shown in the Affected Packages section of this page.
How do I remediate CVE-2018-17480?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2018-17480, 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.

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