CVE-2023-3079

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 2023-06-07), 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: 33%CVSS: 8.8Exploit: NoneExposed: 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 114.0.5735.110 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)

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

June 5, 2023

Last Modified

October 24, 2025

Advisory Details (9)

Auto-updated Jun 2, 2026
⚠️ Active exploitation confirmed. Patch available.
generic Patch Available

[SECURITY] [DSA 5420-1] chromium security update

https://www.debian.org/security/2023/dsa-5420
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 202311-11) — Gentoo security

https://security.gentoo.org/glsa/202311-11
generic

[SECURITY] Fedora 37 Update: chromium-114.0.5735.106-1.fc37 - package-announce - Fedora mailing-lists

https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/U4OXTNIZY4JYHJT7CVLPAJQILI6BISVM/
generic

[SECURITY] Fedora 38 Update: chromium-114.0.5735.106-1.fc38 - package-announce - Fedora mailing-lists

https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/DYTXO5E3FI3I2ETDP3HF4SHYYTFMKMIC/
generic
https://crbug.com/1450481
generic🔴 Active Exploitation

Chrome Releases: Stable Channel Update for Desktop

https://chromereleases.googleblog.com/2023/06/stable-channel-update-for-desktop.html
generic

Packet Storm

http://packetstormsecurity.com/files/176212/Chrome-V8-Type-Confusion-New-Sandbox-Escape.html
generic

Packet Storm

http://packetstormsecurity.com/files/176211/Chrome-V8-Type-Confusion.html

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 99× in last 7d / 430× 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 785 total refreshes for this CVE.

  1. 2026-07-23 14:16 UTCEPSS rescore
  2. 2026-07-23 14:16 UTCEPSS rescore
  3. 2026-07-23 02:21 UTCEG score recompute
  4. 2026-07-22 21:46 UTCEG score recompute
  5. 2026-07-22 21:46 UTCVendor advisory
  6. 2026-07-22 21:46 UTCGHSA enrichment
  7. 2026-07-22 19:40 UTCCISA KEV update
  8. 2026-07-22 18:06 UTCGHSA enrichment
  9. 2026-07-22 14:24 UTCEG score recompute
  10. 2026-07-22 14:24 UTCVendor advisory
  11. 2026-07-22 14:24 UTCGHSA enrichment
  12. 2026-07-22 14:06 UTCEPSS rescore
  13. 2026-07-22 10:45 UTCVendor advisory
  14. 2026-07-22 10:45 UTCGHSA enrichment
  15. 2026-07-22 07:04 UTCVendor advisory
  16. 2026-07-22 07:04 UTCGHSA enrichment
  17. 2026-07-22 03:24 UTCVendor advisory
  18. 2026-07-22 03:24 UTCGHSA enrichment
  19. 2026-07-21 23:43 UTCVendor advisory
  20. 2026-07-21 23:43 UTCGHSA enrichment
  21. 2026-07-21 19:26 UTCVendor advisory
  22. 2026-07-21 19:25 UTCGHSA enrichment
  23. 2026-07-21 15:45 UTCEG score recompute
  24. 2026-07-21 15:45 UTCVendor advisory
  25. 2026-07-21 15:45 UTCGHSA enrichment
Show 75 more
  1. 2026-07-21 15:23 UTCEPSS rescore
  2. 2026-07-21 15:23 UTCEPSS rescore
  3. 2026-07-21 14:37 UTCCISA KEV update
  4. 2026-07-21 12:04 UTCVendor advisory
  5. 2026-07-21 12:04 UTCGHSA enrichment
  6. 2026-07-21 08:24 UTCVendor advisory
  7. 2026-07-21 08:24 UTCGHSA enrichment
  8. 2026-07-21 04:45 UTCVendor advisory
  9. 2026-07-21 04:44 UTCGHSA enrichment
  10. 2026-07-21 01:04 UTCVendor advisory
  11. 2026-07-21 01:03 UTCGHSA enrichment
  12. 2026-07-20 21:23 UTCVendor advisory
  13. 2026-07-20 21:23 UTCGHSA enrichment
  14. 2026-07-20 17:42 UTCEG score recompute
  15. 2026-07-20 17:42 UTCVendor advisory
  16. 2026-07-20 17:42 UTCGHSA enrichment
  17. 2026-07-20 17:06 UTCEPSS rescore
  18. 2026-07-20 14:02 UTCGHSA enrichment
  19. 2026-07-20 10:21 UTCGHSA enrichment
  20. 2026-07-20 06:42 UTCVendor advisory
  21. 2026-07-20 06:41 UTCGHSA enrichment
  22. 2026-07-20 02:45 UTCVendor advisory
  23. 2026-07-20 02:45 UTCGHSA enrichment
  24. 2026-07-19 23:04 UTCVendor advisory
  25. 2026-07-19 23:04 UTCGHSA enrichment
  26. 2026-07-19 19:24 UTCVendor advisory
  27. 2026-07-19 19:24 UTCGHSA enrichment
  28. 2026-07-19 15:44 UTCVendor advisory
  29. 2026-07-19 15:44 UTCGHSA enrichment
  30. 2026-07-19 12:04 UTCVendor advisory
  31. 2026-07-19 12:03 UTCGHSA enrichment
  32. 2026-07-19 08:24 UTCVendor advisory
  33. 2026-07-19 08:24 UTCGHSA enrichment
  34. 2026-07-19 04:44 UTCEG score recompute
  35. 2026-07-19 04:44 UTCVendor advisory
  36. 2026-07-19 04:44 UTCGHSA enrichment
  37. 2026-07-19 02:27 UTCEPSS rescore
  38. 2026-07-19 01:03 UTCGHSA enrichment
  39. 2026-07-18 21:23 UTCVendor advisory
  40. 2026-07-18 21:23 UTCGHSA enrichment
  41. 2026-07-18 17:43 UTCVendor advisory
  42. 2026-07-18 17:43 UTCGHSA enrichment
  43. 2026-07-18 14:04 UTCVendor advisory
  44. 2026-07-18 14:03 UTCGHSA enrichment
  45. 2026-07-18 10:22 UTCEG score recompute
  46. 2026-07-18 10:22 UTCVendor advisory
  47. 2026-07-18 10:22 UTCGHSA enrichment
  48. 2026-07-18 10:03 UTCEPSS rescore
  49. 2026-07-18 10:03 UTCEPSS rescore
  50. 2026-07-18 06:42 UTCVendor advisory
  51. 2026-07-18 06:42 UTCGHSA enrichment
  52. 2026-07-18 03:03 UTCVendor advisory
  53. 2026-07-18 03:02 UTCGHSA enrichment
  54. 2026-07-17 23:23 UTCVendor advisory
  55. 2026-07-17 23:23 UTCGHSA enrichment
  56. 2026-07-17 19:43 UTCVendor advisory
  57. 2026-07-17 19:43 UTCGHSA enrichment
  58. 2026-07-17 16:04 UTCVendor advisory
  59. 2026-07-17 16:04 UTCGHSA enrichment
  60. 2026-07-17 12:24 UTCVendor advisory
  61. 2026-07-17 12:24 UTCGHSA enrichment
  62. 2026-07-17 08:44 UTCEG score recompute
  63. 2026-07-17 08:44 UTCVendor advisory
  64. 2026-07-17 08:44 UTCGHSA enrichment
  65. 2026-07-17 05:04 UTCVendor advisory
  66. 2026-07-17 05:04 UTCGHSA enrichment
  67. 2026-07-17 01:24 UTCVendor advisory
  68. 2026-07-17 01:24 UTCGHSA enrichment
  69. 2026-07-16 21:45 UTCVendor advisory
  70. 2026-07-16 21:45 UTCGHSA enrichment
  71. 2026-07-16 18:05 UTCGHSA enrichment
  72. 2026-07-16 17:04 UTCCISA KEV update
  73. 2026-07-16 17:01 UTCEPSS rescore
  74. 2026-07-16 17:01 UTCEPSS rescore
  75. 2026-07-16 14:25 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-2023-3079?
CVE-2023-3079 is a high vulnerability published on June 5, 2023. Type confusion in V8 in Google Chrome prior to 114.0.5735.110 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)
When was CVE-2023-3079 disclosed?
CVE-2023-3079 was first published in the National Vulnerability Database on June 5, 2023, 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-2023-3079 actively exploited?
Yes. CISA added CVE-2023-3079 to the Known Exploited Vulnerabilities catalog on June 7, 2023, 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-2023-3079?
CVE-2023-3079 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-2023-3079?
CVE-2023-3079 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-2023-3079?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-3079, 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

Explore the affected products and dependency analysis for CVE-2023-3079

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