CVE-2026-28979

MEDIUMPre-NVD 6.56.5—
EchelonGraph scoreMEDIUM confidence

Score 6.5 from GitHub Security Advisory published 2026-06-29. 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 — 3 sources updated 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

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

An out-of-bounds access issue was addressed with improved bounds checking. 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 an unexpected process crash.

CVSS v3
6.5
EG Score
6.5(medium)
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
22%
KEV
Not listed

Published

June 29, 2026

Last Modified

August 17, 2026

Advisory Details (3)

Auto-updated Jun 29, 2026
No patch confirmed yet.
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

Vendor Advisories for CVE-2026-28979(1)

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

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 7× in last 7d / 60× 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 170 total refreshes for this CVE.

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

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-28979?
CVE-2026-28979 is a medium vulnerability published on June 29, 2026. An out-of-bounds access issue was addressed with improved bounds checking. 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 an…
When was CVE-2026-28979 disclosed?
CVE-2026-28979 was first published in the National Vulnerability Database 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-2026-28979 actively exploited?
CVE-2026-28979 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 77.6% of all scored CVEs.
What is the CVSS score of CVE-2026-28979?
CVE-2026-28979 has a CVSS v3.1 base score of 6.5 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-28979?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-28979, 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-2026-28979

Explore →

Is Your Infrastructure Affected by CVE-2026-28979?

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

Start Free Scan →Browse All CVEs