CVE-2026-64713

HIGHPre-NVD 8.18.1—
EchelonGraph scoreMEDIUM confidence

Score 8.1 from GitHub Security Advisory (severity: HIGH) published 2026-07-27. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 8.1; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Trending — 4 sources updated this week
8.1EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0.5%CVSS: 8.1Exploit: None knownExposed services: Not assessed

A fix is available — apply it.

This issue was addressed with improved checks. This issue is fixed in Safari 26.6, iOS 26.6 and iPadOS 26.6, macOS Tahoe 26.6, tvOS 26.6, visionOS 26.6, watchOS 26.6. Websites may know if the user has visited a given link.

CVSS v3
8.1
EG Score
8.1HIGHmedium confidence
EG Risk
37
EG Risk 37/100CISA SSVC

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
Severity81% × 45%
Exploitation0% × 40%
Automatability0% × 15%
CISA SSVC: Track at low or medium mission impact; Track* at high (mission-essential systems).
Action: A fix is available. Apply it within your standard update timelines.
EPSS PROB
0.5%
EPSS %ILE
38th
KEV
Not listed

CISA SSVCTrack at low or medium mission impact; Track* at high (mission-essential systems).

A fix is available. Apply it within your standard update timelines.

Exploitation none (CISA Vulnrichment) · Automatable no (CISA Vulnrichment) · Technical impact total (CISA Vulnrichment). Mission impact is CISA's Mission & Well-being decision point, and only you can judge it: high means the affected system is essential to your organisation's mission, or its compromise could cause irreversible harm to people. CISA's decision table

Published

July 27, 2026

Last Modified

July 30, 2026

Advisory Details (6)

Auto-updated Jul 28, 2026
Patch available.
generic

About the security content of Safari 26.6 - Apple Support

https://support.apple.com/en-us/128073
generic

About the security content of visionOS 26.6 - Apple Support

https://support.apple.com/en-us/128070
generic

About the security content of tvOS 26.6 - Apple Support

https://support.apple.com/en-us/128069
generic

About the security content of watchOS 26.6 - Apple Support

https://support.apple.com/en-us/128068
generic

About the security content of macOS Tahoe 26.6 - Apple Support

https://support.apple.com/en-us/128067
generic

About the security content of iOS 26.6 and iPadOS 26.6 - Apple Support

https://support.apple.com/en-us/128066

Vendor Advisories for CVE-2026-64713(3)

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

Patch Availability(3)

Vendor / EcosystemFix (by version range) / PatchReleasedSource
ubuntuwebkitgtk-webdriver (2.52.6-0ubuntu0.26.04.1) @ resolute2026-10-07ubuntu
redhatwebkit2gtk3-0:2.54.0-1.el8_102026-09-30redhat
redhatwebkit2gtk3-0:2.54.0-1.el9_82026-09-21redhat

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

(6 across 3 ecosystems)
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 ... 2.52.5-1~deb13u1 (50 versions)
  • every version up to 2.52.6-1~deb13u1: fixed in 2.52.6-1~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 ... 2.52.6-1~deb13u1 (51 versions)
  • every version up to 2.52.6-1: fixed in 2.52.6-1
—
wpewebkit2.48.3-1 ... 2.52.5-1 (19 versions)
  • every version up to 2.52.6-1: fixed in 2.52.6-1
—

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 13× in last 7d / 86× 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 255 total refreshes for this CVE.

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

Related CVEs(same vendor + same CWE)

Frequently asked(5)

What is CVE-2026-64713?
CVE-2026-64713 is a high vulnerability published on July 27, 2026. This issue was addressed with improved checks. This issue is fixed in Safari 26.6, iOS 26.6 and iPadOS 26.6, macOS Tahoe 26.6, tvOS 26.6, visionOS 26.6, watchOS 26.6. Websites may know if the user has visited a given link.
When was CVE-2026-64713 disclosed?
CVE-2026-64713 was first published on July 27, 2026, with the most recent update on July 30, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-64713 actively exploited?
CVE-2026-64713 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.5% probability of exploitation in the next 30 days (38th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-64713?
CVE-2026-64713 has a CVSS v3.1 base score of 8.1 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-64713?
A fix for CVE-2026-64713 is available: update to the fixed version the vendor names in its advisory. The vendor advisories EchelonGraph has for CVE-2026-64713 are linked in the Vendor Advisories panel on this page.

Dependency Blast Radius

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