CVE-2026-64753

MEDIUMPre-NVD 6.56.5—
EchelonGraph scoreHIGH confidence

Score 6.5 from GitHub Security Advisory published 2026-09-14. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 6.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Trending — Patch released this week
6.5EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 6.5Exploit: None knownExposed: 0

A fix is available — apply it.

A permissions issue was addressed by removing the vulnerable code. This issue is fixed in Safari 27, iOS 27 and iPadOS 27, macOS Golden Gate 27, tvOS 27, visionOS 27, watchOS 27. Processing maliciously crafted web content may disclose sensitive user information.

CVSS v3
6.5
EG Score
6.5(high)
EG Risk
29(Track)
EG Risk 29/100SSVC: Track

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
Severity65% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
20%
KEV
Not listed

Published

September 14, 2026

Last Modified

September 15, 2026

Advisory Details (6)

Auto-updated Sep 15, 2026
No patch confirmed yet.
generic

About the security content of Safari 27 - Apple Support

https://support.apple.com/en-us/149039
generic

About the security content of visionOS 27 - Apple Support

https://support.apple.com/en-us/149038
generic

About the security content of watchOS 27 - Apple Support

https://support.apple.com/en-us/149037
generic

About the security content of tvOS 27 - Apple Support

https://support.apple.com/en-us/149036
generic

About the security content of macOS Golden Gate 27 - Apple Support

https://support.apple.com/en-us/149035
generic

About the security content of iOS 27 and iPadOS 27 - Apple Support

https://support.apple.com/en-us/149034

Vendor Advisories for CVE-2026-64753(2)

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

Patch Availability(1)

Vendor / EcosystemFixed in / PatchReleasedSource
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.

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 20× in last 7d / 40× 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.

  1. 2026-09-25 01:55 UTCEG score recompute
  2. 2026-09-25 01:55 UTCVendor advisory
  3. 2026-09-25 01:55 UTCGHSA enrichment
  4. 2026-09-24 01:14 UTCEG score recompute
  5. 2026-09-24 01:14 UTCVendor advisory
  6. 2026-09-24 01:14 UTCGHSA enrichment
  7. 2026-09-23 17:54 UTCEPSS rescore
  8. 2026-09-23 00:34 UTCEG score recompute
  9. 2026-09-23 00:34 UTCVendor advisory
  10. 2026-09-23 00:34 UTCGHSA enrichment
  11. 2026-09-21 23:53 UTCEG score recompute
  12. 2026-09-21 23:53 UTCGHSA enrichment
  13. 2026-09-20 23:12 UTCEG score recompute
  14. 2026-09-20 23:12 UTCGHSA enrichment
  15. 2026-09-20 20:16 UTCEPSS rescore
  16. 2026-09-19 22:26 UTCEG score recompute
  17. 2026-09-19 22:25 UTCGHSA enrichment
  18. 2026-09-18 21:45 UTCEG score recompute
  19. 2026-09-18 21:45 UTCGHSA enrichment
  20. 2026-09-18 19:28 UTCEPSS rescore
  21. 2026-09-17 21:05 UTCEG score recompute
  22. 2026-09-17 21:05 UTCGHSA enrichment
  23. 2026-09-16 20:24 UTCEG score recompute
  24. 2026-09-16 20:23 UTCGHSA enrichment
  25. 2026-09-16 14:08 UTCEPSS rescore
Show 15 more
  1. 2026-09-16 05:15 UTCEPSS rescore
  2. 2026-09-15 19:39 UTCEG score recompute
  3. 2026-09-15 19:39 UTCGHSA enrichment
  4. 2026-09-15 15:31 UTCEG score recompute▲ 6.50
  5. 2026-09-15 15:31 UTCGHSA enrichment
  6. 2026-09-15 15:31 UTCNVD updateCVSS v3 → 6.5 · severity → MEDIUM
  7. 2026-09-15 14:59 UTCEG score recompute▼ 6.50
  8. 2026-09-15 14:59 UTCGHSA enrichment
  9. 2026-09-15 14:51 UTCNVD update
  10. 2026-09-15 14:33 UTCEG score recompute▲ 6.50
  11. 2026-09-15 14:33 UTCGHSA enrichment
  12. 2026-09-15 14:32 UTCMITRE cvelistV5CVSS v3 → 6.5 · severity → MEDIUM
  13. 2026-09-14 21:22 UTCNVD update
  14. 2026-09-14 20:59 UTCEG score recompute
  15. 2026-09-14 20:54 UTCMITRE cvelistV5first tracked

Related CVEs(same vendor + same CWE)

Frequently asked(5)

What is CVE-2026-64753?
CVE-2026-64753 is a medium vulnerability published on September 14, 2026. A permissions issue was addressed by removing the vulnerable code. This issue is fixed in Safari 27, iOS 27 and iPadOS 27, macOS Golden Gate 27, tvOS 27, visionOS 27, watchOS 27. Processing maliciously crafted web content may disclose sensitive user information.
When was CVE-2026-64753 disclosed?
CVE-2026-64753 was first published in the National Vulnerability Database on September 14, 2026, with the most recent update on September 15, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-64753 actively exploited?
CVE-2026-64753 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 79.9% of all scored CVEs.
What is the CVSS score of CVE-2026-64753?
CVE-2026-64753 has a CVSS v3.1 base score of 6.5 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-64753?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-64753, 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-2026-64753

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