CVE-2024-54494Network attack vector

Read-only memory modification via Kernel race

Published Dec 11, 2024 · Updated Apr 2, 2026

A Kernel race condition in affected Apple operating systems allows attackers to create writable mappings of read-only memory. Apple has not disclosed the Kernel code path or validation failure that lets a raced mapping retain write access. Successful exploitation requires winning the race and permits modification of memory intended to remain read-only; no broader impact is documented.

CVSS severity5.9
Medium
EPSS probability0.78%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

A Kernel race condition in affected Apple operating systems allows attackers to create writable mappings of read-only memory. Apple has not disclosed the Kernel code path or validation failure that lets a raced mapping retain write access. Successful exploitation requires winning the race and permits modification of memory intended to remain read-only; no broader impact is documented.

The record

CVE
CVE-2024-54494
Published
Dec 11, 2024
Updated
Apr 2, 2026
Vendor
Apple
Product
iOS and iPadOS
Classifications
CWE-362
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Dec 11, 2024CVE publishedPublication date reported by the CVE source.
  2. Apr 2, 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 <18.2

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Apple · iOS and iPadOSversion=0 <18.2
Apple · visionOSversion=0 <2.2
Apple · tvOSversion=0 <18.2
Apple · macOSversion=0 <13.7.2; version=0 <14.7.2; version=0 <15.2
Apple · iPadOSversion=0 <17.7.3
Apple · watchOSversion=0 <11.2

Published CVSS scores

5.9NIST NVDCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
5.9CISA-ADPCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N

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.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

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

Weakness, pattern, technique

CWE-362Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

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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