CVE-2026-43705

HIGHPre-NVD 8.88.8—
EchelonGraph scoreMEDIUM confidence

Score 8.8 from GitHub Security Advisory (severity: HIGH) published 2026-06-29. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 8.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
8.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0.4%CVSS: 8.8Exploit: None knownExposed services: Not assessed

A fix is available — apply it.

A type confusion issue was addressed with improved checks. This issue is fixed in Safari 26.5.2, iOS 18.7.10 and iPadOS 18.7.10, iOS 26.5.2 and iPadOS 26.5.2, macOS Tahoe 26.5.2, tvOS 26.6, visionOS 26.6, watchOS 26.6. Processing maliciously crafted web content may lead to memory corruption.

CVSS v3
8.8
EG Score
8.8HIGHmedium confidence
EG Risk
40
EG Risk 40/100

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
Severity88% × 45%
Exploitation1% × 40%
Automatability0% × 15%
EPSS PROB
0.4%
EPSS %ILE
34th
KEV
Not listed

Published

June 29, 2026

Last Modified

August 17, 2026

Advisory Details (3)

Auto-updated Jun 29, 2026
Patch available.
generic

About the security content of Safari 26.5.2 - Apple Support

https://support.apple.com/en-us/127685
generic

About the security content of macOS Tahoe 26.5.2 - Apple Support

https://support.apple.com/en-us/127595
generic

About the security content of iOS 26.5.2 and iPadOS 26.5.2 - Apple Support

https://support.apple.com/en-us/127594

Patch Availability(10)

Vendor / EcosystemFix (by version range) / PatchReleasedSource
ubuntuwebkitgtk-webdriver (2.52.6-0ubuntu0.26.04.1) @ resolute2026-09-23ubuntu
redhatwebkit2gtk3-0:2.52.5-1.el8_62026-08-25redhat
redhatwebkit2gtk3-0:2.52.5-1.el8_82026-08-25redhat
redhatwebkitgtk4-0:2.52.5-1.el7_92026-08-24redhat
redhatwebkit2gtk3-0:2.52.5-1.el9_22026-08-24redhat
redhatwebkit2gtk3-0:2.52.5-1.el8_42026-08-20redhat
redhatwebkit2gtk3-0:2.52.5-1.el9_62026-08-13redhat
redhatwebkit2gtk3-0:2.52.5-1.el9_42026-08-13redhat
redhatwebkit2gtk3-0:2.52.5-1.el9_82026-07-20redhat
redhatwebkit2gtk3-0:2.52.5-1.el8_102026-07-20redhat

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 rangeFix by version rangeDependents
webkit2gtk2.32.3-1 ... 2.53.4-1 (246 versions)
  • every version on: no fix on record
—
wpewebkit2.32.3-2 ... 2.52.5-1 (90 versions)
  • every version on: no fix on record
—
Debian:12(2)
PackageVulnerable rangeFix by version rangeDependents
webkit2gtk2.40.1-1 ... 2.54.0-1~exp1 (167 versions)
  • every version on: no fix on record
—
wpewebkit2.38.6-1 ... 2.54.0-2 (56 versions)
  • every version on: no fix on record
—
Debian:13(2)
PackageVulnerable rangeFix by version rangeDependents
webkit2gtk2.48.3-1 ... 2.52.4-1 (48 versions)
  • every version up to 2.52.5-1~deb13u1: fixed in 2.52.5-1~deb13u1
—
wpewebkit2.48.3-1 ... 2.54.0-2 (22 versions)
  • every version on: no fix on record
—
Debian:14(2)
PackageVulnerable rangeFix by version rangeDependents
webkit2gtk2.48.3-1 ... 2.52.5-1~deb13u1 (49 versions)
  • every version up to 2.52.5-1: fixed in 2.52.5-1
—
wpewebkit2.48.3-1 ... 2.52.4-1 (18 versions)
  • every version up to 2.52.5-1: fixed in 2.52.5-1
—

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 7× in last 7d / 36× 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 286 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-43705?
CVE-2026-43705 is a high vulnerability published on June 29, 2026. A type confusion issue was addressed with improved checks. This issue is fixed in Safari 26.5.2, iOS 18.7.10 and iPadOS 18.7.10, iOS 26.5.2 and iPadOS 26.5.2, macOS Tahoe 26.5.2, tvOS 26.6, visionOS 26.6, watchOS 26.6. Processing maliciously crafted web content may lead to memory corruption.
When was CVE-2026-43705 disclosed?
CVE-2026-43705 was first published on June 29, 2026, with the most recent update on August 17, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-43705 actively exploited?
CVE-2026-43705 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.4% probability of exploitation in the next 30 days (34th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-43705?
CVE-2026-43705 has a CVSS v3.1 base score of 8.8 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-43705?
A fix for CVE-2026-43705 is available: update to the fixed version the vendor names in its advisory. The vendor advisories EchelonGraph has for CVE-2026-43705 are linked in the Vendor Advisories panel on this page.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2026-43705

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