CVE-2023-2033

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 2023-04-17), 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: 41%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 112.0.5615.121 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
98.5%
KEV
⚠ Exploited

Published

April 14, 2023

Last Modified

October 24, 2025

Advisory Details (9)

Auto-updated Jun 2, 2026
⚠️ Active exploitation confirmed. No patch confirmed yet.
generic

Chromium, Google Chrome, Microsoft Edge: Multiple Vulnerabilities (GLSA 202309-17) — Gentoo security

https://security.gentoo.org/glsa/202309-17
generic

[SECURITY] Fedora 37 Update: chromium-112.0.5615.165-1.fc37 - package-announce - Fedora mailing-lists

https://lists.fedoraproject.org/archives/list/[email protected]/message/SLO7BL2MHZYPY6O3OAEAQL3SKYMGGO6M/
generic

[SECURITY] Fedora 37 Update: chromium-112.0.5615.121-2.fc37 - package-announce - Fedora mailing-lists

https://lists.fedoraproject.org/archives/list/[email protected]/message/RJQI63HWZFL6M26Q6UOHKDY6LD2PFC5Z/
generic

[SECURITY] Fedora 36 Update: chromium-112.0.5615.165-1.fc36 - package-announce - Fedora mailing-lists

https://lists.fedoraproject.org/archives/list/[email protected]/message/IHHD6KNH4WLUE6JG6HRQZWNAJMHJ32X7/
generic

[SECURITY] Fedora 38 Update: chromium-112.0.5615.121-2.fc38 - package-announce - Fedora mailing-lists

https://lists.fedoraproject.org/archives/list/[email protected]/message/FEJZMAUB4XP44HSHEBDWEKFGA7DUHY42/
generic

[SECURITY] Fedora 38 Update: chromium-112.0.5615.165-1.fc38 - package-announce - Fedora mailing-lists

https://lists.fedoraproject.org/archives/list/[email protected]/message/ES2CDRHR2Y4WY6DNDIAPYZFXJU3ZBFAV/
generic

[SECURITY] Fedora 36 Update: chromium-112.0.5615.121-2.fc36 - package-announce - Fedora mailing-lists

https://lists.fedoraproject.org/archives/list/[email protected]/message/4AOSGAOPXLBK4A5ZRTVZ4M6QKVLSWMWG/
generic
https://crbug.com/1432210
generic🔴 Active Exploitation

Chrome Releases: Stable Channel Update for Desktop

https://chromereleases.googleblog.com/2023/04/stable-channel-update-for-desktop_14.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 95× in last 7d / 396× 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 710 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 02:18 UTCEG score recompute
  4. 2026-07-22 21:40 UTCEG score recompute
  5. 2026-07-22 21:40 UTCVendor advisory
  6. 2026-07-22 21:39 UTCGHSA enrichment
  7. 2026-07-22 19:40 UTCCISA KEV update
  8. 2026-07-22 17:11 UTCEG score recompute
  9. 2026-07-22 17:11 UTCVendor advisory
  10. 2026-07-22 17:11 UTCGHSA enrichment
  11. 2026-07-22 14:06 UTCEPSS rescore
  12. 2026-07-22 14:06 UTCEPSS rescore
  13. 2026-07-22 13:03 UTCVendor advisory
  14. 2026-07-22 13:03 UTCGHSA enrichment
  15. 2026-07-22 08:56 UTCVendor advisory
  16. 2026-07-22 08:56 UTCGHSA enrichment
  17. 2026-07-22 04:49 UTCVendor advisory
  18. 2026-07-22 04:49 UTCGHSA enrichment
  19. 2026-07-22 00:40 UTCVendor advisory
  20. 2026-07-22 00:40 UTCGHSA enrichment
  21. 2026-07-21 20:32 UTCVendor advisory
  22. 2026-07-21 20:32 UTCGHSA enrichment
  23. 2026-07-21 16:25 UTCEG score recompute
  24. 2026-07-21 16:25 UTCVendor advisory
  25. 2026-07-21 16:24 UTCGHSA enrichment
Show 75 more
  1. 2026-07-21 15:23 UTCEPSS rescore
  2. 2026-07-21 14:37 UTCCISA KEV update
  3. 2026-07-21 12:16 UTCVendor advisory
  4. 2026-07-21 12:16 UTCGHSA enrichment
  5. 2026-07-21 08:09 UTCVendor advisory
  6. 2026-07-21 08:09 UTCGHSA enrichment
  7. 2026-07-21 04:02 UTCVendor advisory
  8. 2026-07-21 04:02 UTCGHSA enrichment
  9. 2026-07-20 23:55 UTCVendor advisory
  10. 2026-07-20 23:55 UTCGHSA enrichment
  11. 2026-07-20 19:47 UTCEG score recompute
  12. 2026-07-20 19:47 UTCVendor advisory
  13. 2026-07-20 19:47 UTCGHSA enrichment
  14. 2026-07-20 17:06 UTCEPSS rescore
  15. 2026-07-20 15:40 UTCGHSA enrichment
  16. 2026-07-20 11:32 UTCGHSA enrichment
  17. 2026-07-20 07:24 UTCVendor advisory
  18. 2026-07-20 07:24 UTCGHSA enrichment
  19. 2026-07-20 03:17 UTCVendor advisory
  20. 2026-07-20 03:17 UTCGHSA enrichment
  21. 2026-07-19 23:10 UTCVendor advisory
  22. 2026-07-19 23:10 UTCGHSA enrichment
  23. 2026-07-19 19:03 UTCVendor advisory
  24. 2026-07-19 19:03 UTCGHSA enrichment
  25. 2026-07-19 14:56 UTCVendor advisory
  26. 2026-07-19 14:55 UTCGHSA enrichment
  27. 2026-07-19 10:48 UTCVendor advisory
  28. 2026-07-19 10:48 UTCGHSA enrichment
  29. 2026-07-19 06:41 UTCVendor advisory
  30. 2026-07-19 06:41 UTCGHSA enrichment
  31. 2026-07-19 02:34 UTCEG score recompute
  32. 2026-07-19 02:34 UTCVendor advisory
  33. 2026-07-19 02:34 UTCGHSA enrichment
  34. 2026-07-19 02:27 UTCEPSS rescore
  35. 2026-07-19 02:27 UTCEPSS rescore
  36. 2026-07-18 22:27 UTCVendor advisory
  37. 2026-07-18 22:27 UTCGHSA enrichment
  38. 2026-07-18 18:19 UTCVendor advisory
  39. 2026-07-18 18:19 UTCGHSA enrichment
  40. 2026-07-18 14:11 UTCVendor advisory
  41. 2026-07-18 14:11 UTCGHSA enrichment
  42. 2026-07-18 10:04 UTCEG score recompute
  43. 2026-07-18 10:04 UTCVendor advisory
  44. 2026-07-18 10:04 UTCGHSA enrichment
  45. 2026-07-18 10:03 UTCEPSS rescore
  46. 2026-07-18 10:03 UTCEPSS rescore
  47. 2026-07-18 05:55 UTCVendor advisory
  48. 2026-07-18 05:55 UTCGHSA enrichment
  49. 2026-07-18 01:48 UTCVendor advisory
  50. 2026-07-18 01:48 UTCGHSA enrichment
  51. 2026-07-17 21:41 UTCVendor advisory
  52. 2026-07-17 21:41 UTCGHSA enrichment
  53. 2026-07-17 17:34 UTCVendor advisory
  54. 2026-07-17 17:34 UTCGHSA enrichment
  55. 2026-07-17 13:27 UTCVendor advisory
  56. 2026-07-17 13:26 UTCGHSA enrichment
  57. 2026-07-17 09:19 UTCEG score recompute
  58. 2026-07-17 09:19 UTCVendor advisory
  59. 2026-07-17 09:19 UTCGHSA enrichment
  60. 2026-07-17 05:12 UTCVendor advisory
  61. 2026-07-17 05:12 UTCGHSA enrichment
  62. 2026-07-17 01:06 UTCVendor advisory
  63. 2026-07-17 01:05 UTCGHSA enrichment
  64. 2026-07-16 20:58 UTCVendor advisory
  65. 2026-07-16 20:58 UTCGHSA enrichment
  66. 2026-07-16 17:04 UTCCISA KEV update
  67. 2026-07-16 17:01 UTCEPSS rescore
  68. 2026-07-16 17:01 UTCEPSS rescore
  69. 2026-07-16 16:50 UTCVendor advisory
  70. 2026-07-16 16:50 UTCGHSA enrichment
  71. 2026-07-16 12:40 UTCVendor advisory
  72. 2026-07-16 12:40 UTCGHSA enrichment
  73. 2026-07-16 08:33 UTCVendor advisory
  74. 2026-07-16 08:33 UTCGHSA enrichment
  75. 2026-07-16 04:26 UTCVendor advisory

Publicly available exploits

(3 references)

Working exploit code is in the public domain (3 GitHub PoCs). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • GitHub PoCmistymntncop/CVE-2023-2033
    First seen Aug 2, 2023
    Open source ↗
  • GitHub PoCsandumjacob/CVE-2023-2033-Analysis
    First seen Apr 26, 2023

    A collection of resources and information about CVE-2023-2033

    Open source ↗
  • GitHub PoCinsoxin/CVE-2023-2033
    First seen Apr 17, 2023

    Reproduce CVE-2023-2033

    Open source ↗

Frequently asked(6)

What is CVE-2023-2033?
CVE-2023-2033 is a high vulnerability published on April 14, 2023. Type confusion in V8 in Google Chrome prior to 112.0.5615.121 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)
When was CVE-2023-2033 disclosed?
CVE-2023-2033 was first published in the National Vulnerability Database on April 14, 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-2023-2033 actively exploited?
Yes. CISA added CVE-2023-2033 to the Known Exploited Vulnerabilities catalog on April 17, 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-2023-2033?
CVE-2023-2033 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-2023-2033?
CVE-2023-2033 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-2023-2033?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-2033, 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-2023-2033

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