CVE-2023-41990

CRITICALNVD 7.89.0▲
EchelonGraph scoreHIGH confidence

Score elevated to 9.0 because this CVE is listed on the CISA Known Exploited Vulnerabilities catalog (added 2024-01-08), indicating real-world exploitation has been confirmed by US federal agencies. NVD baseline CVSS 7.8 retained for reference. Confidence: HIGH.

Triggered by: CISA KEV (actively exploited)
Sources: cisa_kev, epss, ghsa, nvd
Trending — 4 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: 1%CVSS: 7.8Exploit: cisa kev · ssvc activeExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

The issue was addressed with improved handling of caches. This issue is fixed in tvOS 16.3, iOS 16.3 and iPadOS 16.3, macOS Monterey 12.6.8, macOS Big Sur 11.7.9, iOS 15.7.8 and iPadOS 15.7.8, macOS Ventura 13.2, watchOS 9.3. Processing a font file may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited against versions of iOS released before iOS 15.7.1.

CVSS v3
7.8
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 PROB
1%
EPSS %ILE
69%
KEV
⚠ Exploited

Published

September 12, 2023

Last Modified

June 17, 2026

Advisory Details (7)

Auto-updated Jun 4, 2026
⚠️ Active exploitation confirmed. No patch confirmed yet.
generic🔴 Active Exploitation

About the security content of macOS Ventura 13.2 - Apple Support

https://support.apple.com/en-us/HT213605
generic🔴 Active Exploitation

About the security content of tvOS 16.3 - Apple Support

https://support.apple.com/en-us/HT213601
generic🔴 Active Exploitation

About the security content of watchOS 9.3 - Apple Support

https://support.apple.com/en-us/HT213599
generic🔴 Active Exploitation

About the security content of macOS Big Sur 11.7.9 - Apple Support

https://support.apple.com/en-us/HT213845
generic🔴 Active Exploitation

About the security content of macOS Monterey 12.6.8 - Apple Support

https://support.apple.com/en-us/HT213844
generic🔴 Active Exploitation

About the security content of iOS 15.7.8 and iPadOS 15.7.8 - Apple Support

https://support.apple.com/en-us/HT213842
generic🔴 Active Exploitation

About the security content of iOS 16.3 and iPadOS 16.3 - Apple Support

https://support.apple.com/en-us/HT213606

Data Freshness Timeline

(refreshed 61× in last 7d / 249× 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 613 total refreshes for this CVE.

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

Frequently asked(6)

What is CVE-2023-41990?
CVE-2023-41990 is a critical vulnerability published on September 12, 2023. The issue was addressed with improved handling of caches. This issue is fixed in tvOS 16.3, iOS 16.3 and iPadOS 16.3, macOS Monterey 12.6.8, macOS Big Sur 11.7.9, iOS 15.7.8 and iPadOS 15.7.8, macOS Ventura 13.2, watchOS 9.3. Processing a font file may lead to arbitrary code execution. Apple is…
When was CVE-2023-41990 disclosed?
CVE-2023-41990 was first published in the National Vulnerability Database on September 12, 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-2023-41990 actively exploited?
Yes. CISA added CVE-2023-41990 to the Known Exploited Vulnerabilities catalog on January 8, 2024, 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-2023-41990?
CVE-2023-41990 has a CVSS v3 base score of 7.8 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 9.0.
Which products are affected by CVE-2023-41990?
CVE-2023-41990 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-2023-41990?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-41990, 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.

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