CVE-2025-43300

CRITICALNVD 10.010.0—
EchelonGraph scoreHIGH confidence

Score elevated to 10.0 because this CVE is listed on the CISA Known Exploited Vulnerabilities catalog (added 2025-08-21), indicating real-world exploitation has been confirmed by US federal agencies. NVD baseline CVSS 10.0 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
10.0EG
EchelonGraph verdictPatch nowTreat as an emergency — this is being exploited.
  • Actively exploited in the wild (CISA-KEV)
CISA-KEV: ExploitedEPSS PROB: 20%CVSS: 10.0Exploit: 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.

An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 15.8.5 and iPadOS 15.8.5, iOS 16.7.12 and iPadOS 16.7.12, iOS 18.6.2 and iPadOS 18.6.2, iPadOS 17.7.10, macOS Sequoia 15.6.1, macOS Sonoma 14.7.8, macOS Ventura 13.7.8. Processing a malicious image file may result in memory corruption. Apple is aware of a report that this issue may have been exploited in an extremely sophisticated attack against specific targeted individuals.

CVSS v3
10.0
EG Score
10.0(high)
EG Risk
100(Act)
EG Risk 100/100SSVC: Act

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
Severity100% × 45%
Exploitation100% × 40%
Automatability100% × 15%
Action: Fix now — active exploitation, automatable, high impact.
EPSS PROB
20%
EPSS %ILE
97%
KEV
⚠ Exploited

Published

August 21, 2025

Last Modified

April 3, 2026

Advisory Details (10)

Auto-updated Aug 8, 2026
No patch confirmed yet.
generic

Full Disclosure: APPLE-SA-09-15-2025-4 iOS 15.8.5 and iPadOS 15.8.5

http://seclists.org/fulldisclosure/2025/Sep/52
generic

Full Disclosure: APPLE-SA-08-20-2025-5 macOS Ventura 13.7.8

http://seclists.org/fulldisclosure/2025/Sep/14
generic

Full Disclosure: APPLE-SA-08-20-2025-1 iOS 18.6.2 and iPadOS 18.6.2

http://seclists.org/fulldisclosure/2025/Sep/10
generic

About the security content of iOS 15.8.5 and iPadOS 15.8.5 - Apple Support

https://support.apple.com/en-us/125142
generic

About the security content of iOS 16.7.12 and iPadOS 16.7.12 - Apple Support

https://support.apple.com/en-us/125141
generic

About the security content of macOS Ventura 13.7.8 - Apple Support

https://support.apple.com/en-us/124929
generic

About the security content of macOS Sonoma 14.7.8 - Apple Support

https://support.apple.com/en-us/124928
generic

About the security content of macOS Sequoia 15.6.1 - Apple Support

https://support.apple.com/en-us/124927
generic

About the security content of iPadOS 17.7.10 - Apple Support

https://support.apple.com/en-us/124926
generic

About the security content of iOS 18.6.2 and iPadOS 18.6.2 - Apple Support

https://support.apple.com/en-us/124925

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 61× in last 7d / 241× 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 599 total refreshes for this CVE.

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

Publicly available exploits

(4 references)

Working exploit code is in the public domain (4 GitHub PoCs). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • GitHub PoC7amzahard/CVE-2025-43300
    First seen Dec 2, 2025

    CVE-2025-43300: iOS/macOS DNG Image Processing Memory Corruption

    Open source ↗
  • GitHub PoCticofookfook/CVE-2025-43300
    First seen Sep 30, 2025
    Open source ↗
  • GitHub PoCPwnToday/CVE-2025-43300
    First seen Sep 9, 2025

    CVE-2025-43300: iOS/macOS DNG Image Processing Memory Corruption

    Open source ↗
  • GitHub PoChunters-sec/CVE-2025-43300
    First seen Aug 24, 2025

    This is POC for IOS 0click CVE-2025-43300

    Open source ↗

Related CVEs(same CWE)

Frequently asked(6)

What is CVE-2025-43300?
CVE-2025-43300 is a critical vulnerability published on August 21, 2025. An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 15.8.5 and iPadOS 15.8.5, iOS 16.7.12 and iPadOS 16.7.12, iOS 18.6.2 and iPadOS 18.6.2, iPadOS 17.7.10, macOS Sequoia 15.6.1, macOS Sonoma 14.7.8, macOS Ventura 13.7.8. Processing a malicious image…
When was CVE-2025-43300 disclosed?
CVE-2025-43300 was first published in the National Vulnerability Database on August 21, 2025, with the most recent update on April 3, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2025-43300 actively exploited?
Yes. CISA added CVE-2025-43300 to the Known Exploited Vulnerabilities catalog on August 21, 2025, affecting Apple iOS, iPadOS, and macOS. KEV listing indicates confirmed exploitation in the wild; this CVE warrants immediate patching attention.
What is the CVSS score of CVE-2025-43300?
CVE-2025-43300 has a CVSS v3 base score of 10.0 (NVD).
Which products are affected by CVE-2025-43300?
CVE-2025-43300 affects Apple iOS, iPadOS, and macOS. 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-2025-43300?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-43300, 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-2025-43300

Explore →

Is Your Infrastructure Affected by CVE-2025-43300?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Start Free Scan →Browse All CVEs