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

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
chromium116.0.5845.180-1
Debian:14(1)
PackageVulnerable rangeFixed inDependents
chromium116.0.5845.180-1

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 103× in last 7d / 434× 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 1,414 total refreshes for this CVE.

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

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

Explore →

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