CVE-2023-2033

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 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
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 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
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

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

Affected Packages

(4 across 4 ecosystems)
Debian:11(1)
PackageVulnerable rangeFixed inDependents
chromium100.0.4896.127-1 ... 99.0.4844.84-1~deb11u1 (95 versions)112.0.5615.121-1~deb11u1—
Debian:12(1)
PackageVulnerable rangeFixed inDependents
chromium—112.0.5615.121-1—
Debian:13(1)
PackageVulnerable rangeFixed inDependents
chromium—112.0.5615.121-1—
Debian:14(1)
PackageVulnerable rangeFixed inDependents
chromium—112.0.5615.121-1—

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 90× in last 7d / 394× 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 1,439 total refreshes for this CVE.

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

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 critical 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

See which npm, PyPI, Go, and Maven packages are affected by CVE-2023-2033

Explore →

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