CVE-2026-84628

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%CVSS: 5.5Exploit: None knownExposed: 0

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

An authorization issue was addressed with improved state management. This issue is fixed in iOS 27 and iPadOS 27, macOS Golden Gate 27, tvOS 27, visionOS 27, watchOS 27. A sandboxed app may be able to access the System Keychain.

CVSS v3
5.5
EG Score
5.5(high)
EG Risk
25(Track)
EG Risk 25/100SSVC: 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
Severity55% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
4%
KEV
Not listed

Published

September 14, 2026

Last Modified

September 23, 2026

Advisory Details (5)

Auto-updated Sep 16, 2026
No patch confirmed yet.
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-2026-84628(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 19× in last 7d / 32× 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. 2026-09-24 20:02 UTCEG score recompute
  2. 2026-09-24 20:02 UTCGHSA enrichment
  3. 2026-09-24 14:04 UTCEPSS rescore
  4. 2026-09-23 18:58 UTCEG score recompute
  5. 2026-09-23 18:58 UTCGHSA enrichment
  6. 2026-09-23 17:54 UTCEPSS rescore
  7. 2026-09-22 20:25 UTCEG score recompute
  8. 2026-09-22 20:25 UTCGHSA enrichment
  9. 2026-09-22 16:01 UTCEPSS rescore
  10. 2026-09-21 21:09 UTCEPSS rescore
  11. 2026-09-21 19:21 UTCEG score recompute
  12. 2026-09-21 19:21 UTCGHSA enrichment
  13. 2026-09-20 20:16 UTCEPSS rescore
  14. 2026-09-20 18:17 UTCGHSA enrichment
  15. 2026-09-19 17:14 UTCEG score recompute
  16. 2026-09-19 17:14 UTCGHSA enrichment
  17. 2026-09-18 19:28 UTCEPSS rescore
  18. 2026-09-18 16:09 UTCEG score recompute
  19. 2026-09-18 16:09 UTCGHSA enrichment
  20. 2026-09-17 19:32 UTCEPSS rescore
  21. 2026-09-17 14:40 UTCEG score recompute
  22. 2026-09-17 14:40 UTCGHSA enrichment
  23. 2026-09-16 14:09 UTCEPSS rescore
  24. 2026-09-16 13:36 UTCGHSA enrichment
  25. 2026-09-16 13:01 UTCEG score recompute▲ 5.50
Show 7 more
  1. 2026-09-16 13:01 UTCGHSA enrichment
  2. 2026-09-16 13:00 UTCMITRE cvelistV5CVSS v3 → 5.5 · severity → MEDIUM
  3. 2026-09-16 05:15 UTCEPSS rescore
  4. 2026-09-15 15:00 UTCGHSA enrichment
  5. 2026-09-14 21:22 UTCNVD update
  6. 2026-09-14 21:00 UTCEG score recompute
  7. 2026-09-14 20:54 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-84628?
CVE-2026-84628 is a medium vulnerability published on September 14, 2026. An authorization issue was addressed with improved state management. This issue is fixed in iOS 27 and iPadOS 27, macOS Golden Gate 27, tvOS 27, visionOS 27, watchOS 27. A sandboxed app may be able to access the System Keychain.
When was CVE-2026-84628 disclosed?
CVE-2026-84628 was first published in the National Vulnerability Database on September 14, 2026, with the most recent update on September 23, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-84628 actively exploited?
CVE-2026-84628 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 96.1% of all scored CVEs.
What is the CVSS score of CVE-2026-84628?
CVE-2026-84628 has a CVSS v3.1 base score of 5.5 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-84628?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-84628, 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-2026-84628

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