CVE-2026-64779

LOWPre-NVD 3.13.1—
EchelonGraph scoreMEDIUM confidence

Score 3.1 from GitHub Security Advisory (severity: LOW) published 2026-08-18. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 3.1; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Trending — 3 sources updated this week
3.1EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 3.1Exploit: None knownExposed: 0

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

A memory corruption vulnerability was addressed with improved locking. This issue is fixed in Safari 26.6.1, iOS 18.7.10 and iPadOS 18.7.10, iOS 26.6.1 and iPadOS 26.6.1, macOS Tahoe 26.6.2, visionOS 27. Processing maliciously crafted web content may lead to an unexpected Safari crash.

CVSS v3
3.1
EG Score
3.1(medium)
EG Risk
14(Track)
EG Risk 14/100SSVC: 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
Severity31% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
33%
KEV
Not listed

Published

August 17, 2026

Last Modified

September 14, 2026

References (5)

Vendor Advisories for CVE-2026-64779(1)

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

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 9× in last 7d / 38× 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. 2026-09-20 20:16 UTCEPSS rescore
  2. 2026-09-18 19:28 UTCEPSS rescore
  3. 2026-09-18 02:20 UTCEG score recompute
  4. 2026-09-18 02:20 UTCGHSA enrichment
  5. 2026-09-16 14:08 UTCEPSS rescore
  6. 2026-09-16 05:15 UTCEPSS rescore
  7. 2026-09-14 21:33 UTCGHSA enrichment
  8. 2026-09-14 21:09 UTCEG score recompute
  9. 2026-09-14 21:09 UTCGHSA enrichment
  10. 2026-09-13 10:14 UTCEG score recompute
  11. 2026-09-13 10:14 UTCGHSA enrichment
  12. 2026-09-11 14:53 UTCEPSS rescore
  13. 2026-09-11 09:37 UTCEPSS rescore
  14. 2026-09-10 05:27 UTCEG score recompute
  15. 2026-09-10 05:27 UTCGHSA enrichment
  16. 2026-09-08 22:01 UTCEPSS rescore
  17. 2026-09-07 16:01 UTCEPSS rescore
  18. 2026-09-07 00:40 UTCEG score recompute
  19. 2026-09-07 00:40 UTCGHSA enrichment
  20. 2026-09-06 13:47 UTCEPSS rescore
  21. 2026-09-05 15:31 UTCEPSS rescore
  22. 2026-09-04 05:07 UTCEPSS rescore
  23. 2026-09-03 19:52 UTCEG score recompute
  24. 2026-09-03 19:52 UTCGHSA enrichment
  25. 2026-09-02 14:12 UTCEPSS rescore
Show 32 more
  1. 2026-09-01 13:54 UTCEPSS rescore
  2. 2026-09-01 04:40 UTCEPSS rescore
  3. 2026-08-31 15:05 UTCEG score recompute
  4. 2026-08-31 15:05 UTCGHSA enrichment
  5. 2026-08-30 19:17 UTCEPSS rescore
  6. 2026-08-30 01:22 UTCEPSS rescore
  7. 2026-08-28 21:42 UTCEPSS rescore
  8. 2026-08-28 09:51 UTCEG score recompute
  9. 2026-08-28 09:50 UTCGHSA enrichment
  10. 2026-08-26 14:47 UTCEPSS rescore
  11. 2026-08-25 13:49 UTCEPSS rescore
  12. 2026-08-25 04:37 UTCEG score recompute
  13. 2026-08-25 04:37 UTCGHSA enrichment
  14. 2026-08-21 23:51 UTCEG score recompute
  15. 2026-08-21 23:51 UTCGHSA enrichment
  16. 2026-08-21 23:49 UTCEPSS rescore
  17. 2026-08-20 22:55 UTCEPSS rescore
  18. 2026-08-19 17:04 UTCEPSS rescore
  19. 2026-08-18 19:04 UTCGHSA enrichment
  20. 2026-08-18 18:25 UTCGHSA enrichment
  21. 2026-08-18 18:09 UTCEG score recompute
  22. 2026-08-18 18:09 UTCGHSA enrichment
  23. 2026-08-18 14:55 UTCGHSA enrichment
  24. 2026-08-18 14:50 UTCEG score recompute
  25. 2026-08-18 14:50 UTCGHSA enrichment
  26. 2026-08-18 13:48 UTCEPSS rescore
  27. 2026-08-18 13:27 UTCEG score recompute▲ 3.10
  28. 2026-08-18 13:27 UTCGHSA enrichment
  29. 2026-08-18 13:27 UTCMITRE cvelistV5CVSS v3 → 3.1 · severity → LOW
  30. 2026-08-17 22:20 UTCNVD update
  31. 2026-08-17 21:40 UTCEG score recompute
  32. 2026-08-17 21:39 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-64779?
CVE-2026-64779 is a low vulnerability published on August 17, 2026. A memory corruption vulnerability was addressed with improved locking. This issue is fixed in Safari 26.6.1, iOS 18.7.10 and iPadOS 18.7.10, iOS 26.6.1 and iPadOS 26.6.1, macOS Tahoe 26.6.2, visionOS 27. Processing maliciously crafted web content may lead to an unexpected Safari crash.
When was CVE-2026-64779 disclosed?
CVE-2026-64779 was first published in the National Vulnerability Database on August 17, 2026, with the most recent update on September 14, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-64779 actively exploited?
CVE-2026-64779 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 66.6% of all scored CVEs.
What is the CVSS score of CVE-2026-64779?
CVE-2026-64779 has a CVSS v3.1 base score of 3.1 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-64779?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-64779, 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

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