CVE-2023-41993

CRITICALNVD 8.89.8▲
EchelonGraph scoreHIGH confidence

Score elevated to 9.8 because this CVE is listed on the CISA Known Exploited Vulnerabilities catalog (added 2023-09-25), 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
9.8EG
EchelonGraph verdictPatch nowTreat as an emergency — this is being exploited.
  • Actively exploited in the wild (CISA-KEV)
CISA-KEV: ExploitedEPSS PROB: 29%CVSS: 8.8Exploit: cisa kev · ssvc active · epss top5pct · public exploitExposed: 0

A fix is available — apply it.

The issue was addressed with improved checks. This issue is fixed in macOS Sonoma 14. Processing web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited against versions of iOS before iOS 16.7.

CVSS v3
8.8
EG Score
9.8(high)
EG Risk
84(Attend)
EG Risk 84/100SSVC: 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
Severity98% × 45%
Exploitation100% × 40%
Automatability0% × 15%
Action: Remediate soon — notable exploitation risk.
EPSS PROB
29%
EPSS %ILE
98%
KEV
⚠ Exploited

Published

September 21, 2023

Last Modified

June 17, 2026

Advisory Details (7)

Auto-updated Jun 2, 2026
⚠️ Active exploitation confirmed. Patch available. Sources: cisa.
cisa Patch Available🔴 Active Exploitation

Known Exploited Vulnerabilities Catalog | CISA

Known Exploited Vulnerabilities Catalog | CISA. Listed in CISA Known Exploited Vulnerabilities catalog.

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-41993
generic🔴 Active Exploitation

WebKitGTK and WPE WebKit Security Advisory WSA-2023-0009 - The WebKitGTK Project

https://webkitgtk.org/security/WSA-2023-0009.html
generic🔴 Active Exploitation

About the security content of Safari 16.6.1 - Apple Support

https://support.apple.com/kb/HT213930
generic🔴 Active Exploitation

About the security content of iOS 17.0.1 and iPadOS 17.0.1 - Apple Support

https://support.apple.com/kb/HT213926
generic🔴 Active Exploitation

About the security content of macOS Sonoma 14 - Apple Support

https://support.apple.com/en-us/HT213940
generic

NetApp Product Security

https://security.netapp.com/advisory/ntap-20240426-0004/
generic

WebKitGTK+: Multiple Vulnerabilities (GLSA 202401-33) — Gentoo security

https://security.gentoo.org/glsa/202401-33

Vendor Advisories for CVE-2023-41993(3)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Patch Availability(4)

Vendor / EcosystemFixed in / PatchReleasedSource
ubuntuwebkit2gtk-driver (2.42.1-0ubuntu0.22.04.1) @ jammy2026-09-19ubuntu
redhatwebkitgtk4-0:2.48.3-2.el7_92025-07-07redhat
redhatwebkit2gtk3-0:2.38.5-1.el9_2.32023-07-18redhat
redhatwebkit2gtk3-0:2.38.5-1.el8_8.52023-07-18redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Affected Packages

(8 across 4 ecosystems)
Debian:11(2)
PackageVulnerable rangeFixed inDependents
webkit2gtk2.32.3-1 ... 2.42.1-1~bpo12+1 (109 versions)2.42.1-1~deb11u1—
wpewebkit2.32.3-2 ... 2.52.5-1 (90 versions)——
Debian:12(2)
PackageVulnerable rangeFixed inDependents
webkit2gtk2.40.1-1 ... 2.42.1-1~deb11u2 (26 versions)2.42.1-1~deb12u1—
wpewebkit2.38.6-1 ... 2.52.6-1 (54 versions)——
Debian:13(2)
PackageVulnerable rangeFixed inDependents
webkit2gtk—2.42.1-1—
wpewebkit—2.42.1-1—
Debian:14(2)
PackageVulnerable rangeFixed inDependents
webkit2gtk—2.42.1-1—
wpewebkit—2.42.1-1—

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Additional Vendor Advisories

(1)

Vendors that published advisories for this CVE beyond the curated set above. Broader coverage but minimal per-row detail — click through for the original advisory.

Data Freshness Timeline

(refreshed 96× in last 7d / 416× 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 1,497 total refreshes for this CVE.

  1. 2026-09-19 04:27 UTCVendor advisory
  2. 2026-09-19 04:27 UTCGHSA enrichment
  3. 2026-09-19 00:18 UTCVendor advisory
  4. 2026-09-19 00:18 UTCGHSA enrichment
  5. 2026-09-18 20:09 UTCEG score recompute
  6. 2026-09-18 20:09 UTCVendor advisory
  7. 2026-09-18 20:09 UTCGHSA enrichment
  8. 2026-09-18 19:25 UTCEPSS rescore
  9. 2026-09-18 19:20 UTCCISA KEV update
  10. 2026-09-18 15:58 UTCVendor advisory
  11. 2026-09-18 15:58 UTCGHSA enrichment
  12. 2026-09-18 14:15 UTCCISA KEV update
  13. 2026-09-18 11:46 UTCVendor advisory
  14. 2026-09-18 11:46 UTCGHSA enrichment
  15. 2026-09-18 07:37 UTCVendor advisory
  16. 2026-09-18 07:37 UTCGHSA enrichment
  17. 2026-09-18 03:28 UTCVendor advisory
  18. 2026-09-18 03:28 UTCGHSA enrichment
  19. 2026-09-17 23:19 UTCEG score recompute
  20. 2026-09-17 23:19 UTCVendor advisory
  21. 2026-09-17 23:19 UTCGHSA enrichment
  22. 2026-09-17 19:25 UTCEPSS rescore
  23. 2026-09-17 19:10 UTCVendor advisory
  24. 2026-09-17 19:09 UTCGHSA enrichment
  25. 2026-09-17 15:00 UTCVendor advisory
Show 75 more
  1. 2026-09-17 15:00 UTCGHSA enrichment
  2. 2026-09-17 10:51 UTCVendor advisory
  3. 2026-09-17 10:51 UTCGHSA enrichment
  4. 2026-09-17 06:42 UTCVendor advisory
  5. 2026-09-17 06:41 UTCGHSA enrichment
  6. 2026-09-17 02:31 UTCVendor advisory
  7. 2026-09-17 02:31 UTCGHSA enrichment
  8. 2026-09-16 22:20 UTCVendor advisory
  9. 2026-09-16 22:20 UTCGHSA enrichment
  10. 2026-09-16 18:10 UTCEG score recompute
  11. 2026-09-16 18:10 UTCVendor advisory
  12. 2026-09-16 18:10 UTCGHSA enrichment
  13. 2026-09-16 14:10 UTCCISA KEV update
  14. 2026-09-16 14:06 UTCEPSS rescore
  15. 2026-09-16 14:06 UTCEPSS rescore
  16. 2026-09-16 14:01 UTCVendor advisory
  17. 2026-09-16 14:01 UTCGHSA enrichment
  18. 2026-09-16 09:52 UTCVendor advisory
  19. 2026-09-16 09:51 UTCGHSA enrichment
  20. 2026-09-16 05:43 UTCEG score recompute
  21. 2026-09-16 05:43 UTCVendor advisory
  22. 2026-09-16 05:42 UTCGHSA enrichment
  23. 2026-09-16 05:11 UTCEPSS rescore
  24. 2026-09-16 01:33 UTCVendor advisory
  25. 2026-09-16 01:33 UTCGHSA enrichment
  26. 2026-09-15 21:24 UTCVendor advisory
  27. 2026-09-15 21:24 UTCGHSA enrichment
  28. 2026-09-15 17:15 UTCVendor advisory
  29. 2026-09-15 17:15 UTCGHSA enrichment
  30. 2026-09-15 13:06 UTCVendor advisory
  31. 2026-09-15 13:06 UTCGHSA enrichment
  32. 2026-09-15 08:57 UTCVendor advisory
  33. 2026-09-15 08:57 UTCGHSA enrichment
  34. 2026-09-15 04:47 UTCEG score recompute
  35. 2026-09-15 04:47 UTCVendor advisory
  36. 2026-09-15 04:47 UTCGHSA enrichment
  37. 2026-09-15 00:36 UTCVendor advisory
  38. 2026-09-15 00:36 UTCGHSA enrichment
  39. 2026-09-14 20:26 UTCVendor advisory
  40. 2026-09-14 20:26 UTCGHSA enrichment
  41. 2026-09-14 19:24 UTCCISA KEV update
  42. 2026-09-14 16:17 UTCVendor advisory
  43. 2026-09-14 16:17 UTCGHSA enrichment
  44. 2026-09-14 12:07 UTCVendor advisory
  45. 2026-09-14 12:07 UTCGHSA enrichment
  46. 2026-09-14 07:58 UTCVendor advisory
  47. 2026-09-14 07:58 UTCGHSA enrichment
  48. 2026-09-14 03:49 UTCVendor advisory
  49. 2026-09-14 03:49 UTCGHSA enrichment
  50. 2026-09-13 23:40 UTCVendor advisory
  51. 2026-09-13 23:40 UTCGHSA enrichment
  52. 2026-09-13 19:31 UTCVendor advisory
  53. 2026-09-13 19:31 UTCGHSA enrichment
  54. 2026-09-13 15:22 UTCVendor advisory
  55. 2026-09-13 15:22 UTCGHSA enrichment
  56. 2026-09-13 11:13 UTCVendor advisory
  57. 2026-09-13 11:13 UTCGHSA enrichment
  58. 2026-09-13 07:04 UTCVendor advisory
  59. 2026-09-13 07:03 UTCGHSA enrichment
  60. 2026-09-13 02:55 UTCVendor advisory
  61. 2026-09-13 02:54 UTCGHSA enrichment
  62. 2026-09-12 22:46 UTCVendor advisory
  63. 2026-09-12 22:46 UTCGHSA enrichment
  64. 2026-09-12 18:37 UTCEG score recompute
  65. 2026-09-12 18:37 UTCVendor advisory
  66. 2026-09-12 18:37 UTCGHSA enrichment
  67. 2026-09-12 14:58 UTCEPSS rescore
  68. 2026-09-12 14:28 UTCVendor advisory
  69. 2026-09-12 14:28 UTCGHSA enrichment
  70. 2026-09-12 10:18 UTCVendor advisory
  71. 2026-09-12 10:18 UTCGHSA enrichment
  72. 2026-09-12 06:09 UTCVendor advisory
  73. 2026-09-12 06:09 UTCGHSA enrichment
  74. 2026-09-12 01:59 UTCVendor advisory
  75. 2026-09-12 01:59 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 PoChrtowii/cve-2023-41993-test
    First seen Oct 16, 2023

    testing poc

    Open source ↗
  • GitHub PoC0x06060606/CVE-2023-41993
    First seen Oct 16, 2023

    CVE-2023-41993

    Open source ↗
  • GitHub PoCpo6ix/POC-for-CVE-2023-41993
    First seen Oct 15, 2023
    Open source ↗

Frequently asked(6)

What is CVE-2023-41993?
CVE-2023-41993 is a critical vulnerability published on September 21, 2023. The issue was addressed with improved checks. This issue is fixed in macOS Sonoma 14. Processing web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited against versions of iOS before iOS 16.7.
When was CVE-2023-41993 disclosed?
CVE-2023-41993 was first published in the National Vulnerability Database on September 21, 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-2023-41993 actively exploited?
Yes. CISA added CVE-2023-41993 to the Known Exploited Vulnerabilities catalog on September 25, 2023, affecting Apple Multiple Products. KEV listing indicates confirmed exploitation in the wild; this CVE warrants immediate patching attention.
What is the CVSS score of CVE-2023-41993?
CVE-2023-41993 has a CVSS v3 base score of 8.8 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 9.8.
Which products are affected by CVE-2023-41993?
CVE-2023-41993 affects Apple Multiple Products. 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-2023-41993?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-41993, 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-2023-41993

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