CVE-2026-28968

MEDIUMPre-NVD 5.55.5—
EchelonGraph scoreHIGH confidence

Score 5.5 from GitHub Security Advisory published 2026-09-14. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 5.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Trending — 3 sources updated this week
5.5EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0.2%CVSS: 5.5Exploit: None knownExposed services: Not assessed

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

An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 26.7 and iPadOS 26.7, iOS 27 and iPadOS 27, macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7, tvOS 27, visionOS 27, watchOS 27. An app may be able to cause unexpected system termination or corrupt kernel memory.

CVSS v3
5.5
EG Score
5.5MEDIUMhigh confidence
EG Risk
25
EG Risk 25/100CISA 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
Severity55% × 45%
Exploitation0% × 40%
Automatability0% × 15%
CISA SSVC: Track at every mission impact level.
Action: No fix is confirmed yet. Restrict network exposure of the affected system or apply the vendor's mitigation within your standard update timelines, and watch the vendor's advisory for the fix.
EPSS PROB
0.2%
EPSS %ILE
4th
KEV
Not listed

CISA SSVCTrack at every mission impact level.

No fix is confirmed yet. Restrict network exposure of the affected system or apply the vendor's mitigation within your standard update timelines, and watch the vendor's advisory for the fix.

Exploitation none (CISA Vulnrichment) · Automatable no (CISA Vulnrichment) · Technical impact partial (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

September 14, 2026

Last Modified

September 18, 2026

Advisory Details (8)

Auto-updated Sep 17, 2026
No patch confirmed yet.
generic

About the security content of macOS Sequoia 15.8 - Apple Support

https://support.apple.com/en-us/149043
generic

About the security content of macOS Tahoe 26.7 - Apple Support

https://support.apple.com/en-us/149042
generic

About the security content of iOS 26.7 and iPadOS 26.7 - Apple Support

https://support.apple.com/en-us/149041
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-2026-28968(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 18× in last 7d / 58× 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. 2026-10-04 23:21 UTCEPSS rescore
  2. 2026-10-04 22:54 UTCGHSA enrichment
  3. 2026-10-04 00:09 UTCEG score recompute
  4. 2026-10-04 00:09 UTCGHSA enrichment
  5. 2026-10-03 14:25 UTCEPSS rescore
  6. 2026-10-03 01:16 UTCEG score recompute
  7. 2026-10-03 01:15 UTCGHSA enrichment
  8. 2026-10-02 02:30 UTCEG score recompute
  9. 2026-10-02 02:29 UTCGHSA enrichment
  10. 2026-10-01 19:49 UTCEPSS rescore
  11. 2026-10-01 03:32 UTCEG score recompute
  12. 2026-10-01 03:32 UTCGHSA enrichment
  13. 2026-09-30 15:03 UTCEPSS rescore
  14. 2026-09-30 04:48 UTCEG score recompute
  15. 2026-09-30 04:48 UTCGHSA enrichment
  16. 2026-09-29 05:56 UTCEG score recompute
  17. 2026-09-29 05:56 UTCGHSA enrichment
  18. 2026-09-28 13:51 UTCEPSS rescore
  19. 2026-09-28 07:11 UTCEG score recompute
  20. 2026-09-28 07:11 UTCGHSA enrichment
  21. 2026-09-27 08:27 UTCEG score recompute
  22. 2026-09-27 08:27 UTCGHSA enrichment
  23. 2026-09-26 15:58 UTCEPSS rescore
  24. 2026-09-26 09:41 UTCEG score recompute
  25. 2026-09-26 09:41 UTCGHSA enrichment
Show 33 more
  1. 2026-09-26 00:26 UTCEPSS rescore
  2. 2026-09-25 10:53 UTCEG score recompute
  3. 2026-09-25 10:53 UTCGHSA enrichment
  4. 2026-09-24 12:07 UTCEG score recompute
  5. 2026-09-24 12:07 UTCGHSA enrichment
  6. 2026-09-23 13:21 UTCEG score recompute
  7. 2026-09-23 13:21 UTCGHSA enrichment
  8. 2026-09-22 14:33 UTCEG score recompute
  9. 2026-09-22 14:33 UTCGHSA enrichment
  10. 2026-09-21 15:45 UTCEG score recompute
  11. 2026-09-21 15:45 UTCGHSA enrichment
  12. 2026-09-20 20:15 UTCEPSS rescore
  13. 2026-09-20 20:15 UTCEPSS rescore
  14. 2026-09-20 17:00 UTCGHSA enrichment
  15. 2026-09-19 18:15 UTCEG score recompute
  16. 2026-09-19 18:15 UTCGHSA enrichment
  17. 2026-09-18 19:30 UTCEG score recompute
  18. 2026-09-18 19:30 UTCGHSA enrichment
  19. 2026-09-18 19:28 UTCEPSS rescore
  20. 2026-09-18 19:27 UTCEPSS rescore
  21. 2026-09-18 16:55 UTCEG score recompute
  22. 2026-09-18 16:55 UTCGHSA enrichment
  23. 2026-09-17 19:30 UTCEPSS rescore
  24. 2026-09-17 18:10 UTCGHSA enrichment
  25. 2026-09-17 16:54 UTCEG score recompute▲ 5.50
  26. 2026-09-17 16:54 UTCGHSA enrichment
  27. 2026-09-17 16:19 UTCMITRE cvelistV5CVSS v3 → 5.5 · severity → MEDIUM
  28. 2026-09-16 14:08 UTCEPSS rescore
  29. 2026-09-16 05:15 UTCEPSS rescore
  30. 2026-09-15 14:58 UTCGHSA enrichment
  31. 2026-09-14 21:22 UTCNVD update
  32. 2026-09-14 20:58 UTCEG score recompute
  33. 2026-09-14 20:54 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-28968?
CVE-2026-28968 is a medium vulnerability published on September 14, 2026. An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 26.7 and iPadOS 26.7, iOS 27 and iPadOS 27, macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7, tvOS 27, visionOS 27, watchOS 27. An app may be able to cause unexpected system termination or…
When was CVE-2026-28968 disclosed?
CVE-2026-28968 was first published on September 14, 2026, with the most recent update on September 18, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-28968 actively exploited?
CVE-2026-28968 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.2% probability of exploitation in the next 30 days (4th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-28968?
CVE-2026-28968 has a CVSS v3.1 base score of 5.5 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-28968?
No fix for CVE-2026-28968 is confirmed yet. Until one is published, restrict network exposure of the affected system or apply the vendor's mitigation — for example, keep it off the internet or limit it to trusted networks — and watch the vendor's advisory for the fix. The vendor advisories EchelonGraph has for CVE-2026-28968 are linked in the Vendor Advisories panel on this page.

Dependency Blast Radius

Explore the affected products and dependency analysis for CVE-2026-28968

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