CVE-2026-84593

System termination via undisclosed use-after-free

Published Sep 14, 2026 · Updated Sep 14, 2026

Use-after-free in Apple iOS and iPadOS before 27 allows local users to cause unexpected system termination through an app. Apple has not disclosed the affected component, the stale object's lifetime, or the operation that dereferences it after release. Exploitation requires an app to execute on an affected iPhone or iPad, and the documented consequence is system termination, with no published indication of data access or code execution.

CVSS severityUnavailable
Unscored
EPSS probability0.13%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Use-after-free in Apple iOS and iPadOS before 27 allows local users to cause unexpected system termination through an app. Apple has not disclosed the affected component, the stale object's lifetime, or the operation that dereferences it after release. Exploitation requires an app to execute on an affected iPhone or iPad, and the documented consequence is system termination, with no published indication of data access or code execution.

The record

CVE
CVE-2026-84593
Published
Sep 14, 2026
Updated
Sep 14, 2026
Vendor
Apple
Product
iOS and iPadOS
Classifications
CWE-416, T1499.004
Attack vector
local
Privileges
Unavailable

Timeline

How it unfolded

  1. Sep 14, 2026CVE publishedPublication date reported by the CVE source.
  2. Sep 14, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <27

What conditions does exploitation require?

Attack vectorlocal
Required privilegesUnavailable in this record.

What is affected?

Apple · iOS and iPadOSversion=0 <27

Published CVSS scores

No CVSS assessment is available in this record.

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
PrivilegesUnavailable
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-416Use After Free
T1499.004Application or System Exploitation

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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