CVE-2023-4762

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 2024-02-06), 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: 41%CVSS: 8.8Exploit: cisa kev · ssvc active · epss top5pct · public exploitExposed: 0

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

Type Confusion in V8 in Google Chrome prior to 116.0.5845.179 allowed a remote attacker to execute arbitrary code 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
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
41%
EPSS %ILE
99%
KEV
⚠ Exploited

Published

September 5, 2023

Last Modified

June 17, 2026

Advisory Details (10)

Auto-updated Jun 2, 2026
Patch available. Sources: microsoft.
generic

[SECURITY] [DSA 5491-1] chromium security update

https://www.debian.org/security/2023/dsa-5491
generic

Chromium, Google Chrome, Microsoft Edge: Multiple Vulnerabilities (GLSA 202401-34) — Gentoo security

https://security.gentoo.org/glsa/202401-34
generic

QtWebEngine: Multiple Vulnerabilities (GLSA 202312-07) — Gentoo security

https://security.gentoo.org/glsa/202312-07
generic

QtWebEngine: Multiple Vulnerabilities (GLSA 202311-11) — Gentoo security

https://security.gentoo.org/glsa/202311-11
microsoft Patch Available

Security Update Guide - Microsoft Security Response Center

Security Update Guide - Microsoft Security Response Center. Patch available via Microsoft Security Update

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-4762
generic

[SECURITY] Fedora 37 Update: chromium-117.0.5938.88-1.fc37 - package-announce - Fedora mailing-lists

https://lists.fedoraproject.org/archives/list/[email protected]/message/KUQ7CTX3W372X3UY56VVNAHCH6H2F4X3/
generic

[SECURITY] Fedora 38 Update: chromium-117.0.5938.62-1.fc38 - package-announce - Fedora mailing-lists

https://lists.fedoraproject.org/archives/list/[email protected]/message/6T655QF7CQ3DYAMPFV7IECQYGDEUIVVT/
generic

[SECURITY] Fedora 39 Update: chromium-116.0.5845.179-1.fc39 - package-announce - Fedora mailing-lists

https://lists.fedoraproject.org/archives/list/[email protected]/message/27NR3KG553CG6LGPMP6SHWEVHTYPL6RC/
generic
https://crbug.com/1473247
generic

Chrome Releases: Stable Channel Update for Desktop

https://chromereleases.googleblog.com/2023/09/stable-channel-update-for-desktop.html

Affected Packages

(4 across 4 ecosystems)
Debian:11(1)
PackageVulnerable rangeFixed inDependents
chromium100.0.4896.127-1 ... 99.0.4844.84-1~deb11u1 (137 versions)116.0.5845.180-1~deb11u1—
Debian:12(1)
PackageVulnerable rangeFixed inDependents
chromium113.0.5672.126-1 ... 116.0.5845.96-2 (35 versions)116.0.5845.180-1~deb12u1—
Debian:13(1)
PackageVulnerable rangeFixed inDependents
chromium—116.0.5845.180-1—
Debian:14(1)
PackageVulnerable rangeFixed inDependents
chromium—116.0.5845.180-1—

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 107× in last 7d / 439× 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 1,578 total refreshes for this CVE.

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

Publicly available exploits

(1 reference)

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

Frequently asked(6)

What is CVE-2023-4762?
CVE-2023-4762 is a critical vulnerability published on September 5, 2023. Type Confusion in V8 in Google Chrome prior to 116.0.5845.179 allowed a remote attacker to execute arbitrary code via a crafted HTML page. (Chromium security severity: High)
When was CVE-2023-4762 disclosed?
CVE-2023-4762 was first published in the National Vulnerability Database on September 5, 2023, with the most recent update on June 17, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2023-4762 actively exploited?
Yes. CISA added CVE-2023-4762 to the Known Exploited Vulnerabilities catalog on February 6, 2024, 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-2023-4762?
CVE-2023-4762 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-2023-4762?
CVE-2023-4762 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-2023-4762?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-4762, 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-2023-4762

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