CVE-2026-20700

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 2026-02-12), 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 active · public exploitExposed: 0

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

A memory corruption issue was addressed with improved state management. This issue is fixed in iOS 26.3 and iPadOS 26.3, macOS Tahoe 26.3, tvOS 26.3, visionOS 26.3, watchOS 26.3. An attacker with memory write capability may be able to execute arbitrary code. Apple is aware of a report that this issue may have been exploited in an extremely sophisticated attack against specific targeted individuals on versions of iOS before iOS 26. CVE-2025-14174 and CVE-2025-43529 were also issued in response to this report.

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
68%
KEV
⚠ Exploited

Published

February 11, 2026

Last Modified

June 17, 2026

Advisory Details (6)

Auto-updated Jun 4, 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-2026-20700
generic

About the security content of visionOS 26.3 - Apple Support

https://support.apple.com/en-us/126353
generic

About the security content of watchOS 26.3 - Apple Support

https://support.apple.com/en-us/126352
generic

About the security content of tvOS 26.3 - Apple Support

https://support.apple.com/en-us/126351
generic

About the security content of macOS Tahoe 26.3 - Apple Support

https://support.apple.com/en-us/126348
generic

About the security content of iOS 26.3 and iPadOS 26.3 - Apple Support

https://support.apple.com/en-us/126346

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 55× in last 7d / 230× 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 491 total refreshes for this CVE.

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

Publicly available exploits

(1 reference)

Working exploit code is in the public domain (1 GitHub PoC). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

Related CVEs(same CWE)

Frequently asked(6)

What is CVE-2026-20700?
CVE-2026-20700 is a critical vulnerability published on February 11, 2026. A memory corruption issue was addressed with improved state management. This issue is fixed in iOS 26.3 and iPadOS 26.3, macOS Tahoe 26.3, tvOS 26.3, visionOS 26.3, watchOS 26.3. An attacker with memory write capability may be able to execute arbitrary code. Apple is aware of a report that this…
When was CVE-2026-20700 disclosed?
CVE-2026-20700 was first published in the National Vulnerability Database on February 11, 2026, 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-2026-20700 actively exploited?
Yes. CISA added CVE-2026-20700 to the Known Exploited Vulnerabilities catalog on February 12, 2026, 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-2026-20700?
CVE-2026-20700 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-2026-20700?
CVE-2026-20700 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-2026-20700?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-20700, 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-2026-20700

Explore →

Is Your Infrastructure Affected by CVE-2026-20700?

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

Start Free Scan →Browse All CVEs