CVE-2018-17463

CRITICALNVD 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
9.0EG
EchelonGraph verdictPatch nowTreat as an emergency — this is being exploited.
  • Actively exploited in the wild (CISA-KEV)
CISA-KEV: ExploitedEPSS PROB: 85%CVSS: 8.8Exploit: cisa kev · ssvc active · Metasploit · Exploit-DB (verified) · epss top5pct · epss high · public exploitExposed: 0

A fix is available — apply it.

Incorrect side effect annotation in V8 in Google Chrome prior to 70.0.3538.64 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 PROB
85%
EPSS %ILE
100%
KEV
⚠ Exploited

Published

November 14, 2018

Last Modified

October 24, 2025

Advisory Details (6)

Auto-updated Jun 2, 2026
Patch available. Sources: redhat.
redhat Patch Available

Affected: Red Hat Enterprise Linux 6 Supplementary.

https://access.redhat.com/errata/RHSA-2018:3004
generic
http://www.securityfocus.com/bid/105666
generic

[SECURITY] [DSA 4330-1] chromium-browser security update

https://www.debian.org/security/2018/dsa-4330
generic

Chromium: Multiple vulnerabilities (GLSA 201811-10) — Gentoo security

https://security.gentoo.org/glsa/201811-10
generic
https://crbug.com/888923
generic

Chrome Releases: Stable Channel Update for Desktop

https://chromereleases.googleblog.com/2018/10/stable-channel-update-for-desktop.html

Patch Availability(1)

Vendor / EcosystemFixed in / PatchReleasedSource
redhatchromium-browser-0:70.0.3538.67-1.el6_102018-10-24redhat

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.

Affected Packages

(1 across 1 ecosystem)
Debian:9(1)
PackageVulnerable rangeFixed inDependents
chromium-browser59.0.3071.104-1 ... 70.0.3538.54-2 (61 versions)70.0.3538.67-1~deb9u1—

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 95× in last 7d / 363× 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 1,057 total refreshes for this CVE.

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

Publicly available exploits

(3 references)

Working exploit code is in the public domain (1 Metasploit module) (1 GitHub PoC) (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • GitHub PoCjhalon/CVE-2018-17463
    First seen Dec 28, 2022

    Working Proof of Concept Exploit for CVE-2018-17463

    Open source ↗
  • Exploit-DBEDB-48184✓ verified
    First seen Mar 9, 2020

    Google Chrome 67_ 68 and 69 - Object.create Type Confusion (Metasploit)

    Open source ↗
  • Metasploitexploit/multi/browser/chrome_object_create✓ verified
    First seen Sep 25, 2018

    Google Chrome 67, 68 and 69 Object.create exploit

    Open source ↗

Frequently asked(6)

What is CVE-2018-17463?
CVE-2018-17463 is a critical vulnerability published on November 14, 2018. Incorrect side effect annotation in V8 in Google Chrome prior to 70.0.3538.64 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page.
When was CVE-2018-17463 disclosed?
CVE-2018-17463 was first published in the National Vulnerability Database on November 14, 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-2018-17463 actively exploited?
Yes. CISA added CVE-2018-17463 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-2018-17463?
CVE-2018-17463 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-2018-17463?
CVE-2018-17463 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-2018-17463?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2018-17463, 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

See which npm, PyPI, Go, and Maven packages are affected by CVE-2018-17463

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