CVE-2026-84532

MEDIUMPre-NVD 5.45.4—
EchelonGraph scoreHIGH confidence

Score 5.4 from GitHub Security Advisory published 2026-09-14. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 5.4; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Trending — 3 sources updated this week
5.4EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 5.4Exploit: 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 read issue was addressed with improved input validation. 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. Opening a maliciously crafted file may cause unexpected process termination or disclose process memory.

CVSS v3
5.4
EG Score
5.4(high)
EG Risk
24(Track)
EG Risk 24/100SSVC: 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
Severity54% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
28%
KEV
Not listed

Published

September 14, 2026

Last Modified

September 18, 2026

Advisory Details (7)

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 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-2026-84532(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 20× in last 7d / 31× 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 08:32 UTCEG score recompute
  2. 2026-09-25 08:32 UTCGHSA enrichment
  3. 2026-09-24 14:04 UTCEPSS rescore
  4. 2026-09-24 06:24 UTCEG score recompute
  5. 2026-09-24 06:24 UTCGHSA enrichment
  6. 2026-09-23 17:54 UTCEPSS rescore
  7. 2026-09-23 04:17 UTCEG score recompute
  8. 2026-09-23 04:17 UTCGHSA enrichment
  9. 2026-09-22 16:01 UTCEPSS rescore
  10. 2026-09-22 02:10 UTCEG score recompute
  11. 2026-09-22 02:10 UTCGHSA enrichment
  12. 2026-09-21 21:09 UTCEPSS rescore
  13. 2026-09-21 00:03 UTCEG score recompute
  14. 2026-09-21 00:03 UTCGHSA enrichment
  15. 2026-09-20 20:16 UTCEPSS rescore
  16. 2026-09-19 21:56 UTCEG score recompute
  17. 2026-09-19 21:56 UTCGHSA enrichment
  18. 2026-09-18 19:48 UTCEG score recompute
  19. 2026-09-18 19:48 UTCGHSA enrichment
  20. 2026-09-18 19:28 UTCEPSS rescore
  21. 2026-09-17 19:32 UTCEPSS rescore
  22. 2026-09-17 18:09 UTCGHSA enrichment
  23. 2026-09-17 16:54 UTCEG score recompute▲ 5.40
  24. 2026-09-17 16:53 UTCGHSA enrichment
  25. 2026-09-17 16:34 UTCMITRE cvelistV5CVSS v3 → 5.4 · severity → MEDIUM
Show 6 more
  1. 2026-09-16 14:09 UTCEPSS rescore
  2. 2026-09-16 05:15 UTCEPSS rescore
  3. 2026-09-15 14:56 UTCGHSA enrichment
  4. 2026-09-14 21:22 UTCNVD update
  5. 2026-09-14 20:57 UTCEG score recompute
  6. 2026-09-14 20:54 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-84532?
CVE-2026-84532 is a medium vulnerability published on September 14, 2026. An out-of-bounds read issue was addressed with improved input validation. 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. Opening a maliciously crafted file may cause unexpected process…
When was CVE-2026-84532 disclosed?
CVE-2026-84532 was first published in the National Vulnerability Database 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-2026-84532 actively exploited?
CVE-2026-84532 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 72.1% of all scored CVEs.
What is the CVSS score of CVE-2026-84532?
CVE-2026-84532 has a CVSS v3.1 base score of 5.4 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-84532?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-84532, 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-2026-84532

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