CVE-2024-44238

Coprocessor memory corruption via improper bounds checks

Published Jan 16, 2026 · Updated Jan 16, 2026

Memory corruption in Apple iOS and iPadOS before 18.1 allows local users to corrupt coprocessor memory through a malicious app. The IOMobileFrameBuffer component fails to enforce buffer boundaries on app-controlled input before that input can alter coprocessor memory. The app requires low-privileged local execution, and Apple has not disclosed the affected request path or control beyond coprocessor memory.

CVSS severity7.8
High
EPSS probability0.16%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Memory corruption in Apple iOS and iPadOS before 18.1 allows local users to corrupt coprocessor memory through a malicious app. The IOMobileFrameBuffer component fails to enforce buffer boundaries on app-controlled input before that input can alter coprocessor memory. The app requires low-privileged local execution, and Apple has not disclosed the affected request path or control beyond coprocessor memory.

The record

CVE
CVE-2024-44238
Published
Jan 16, 2026
Updated
Jan 16, 2026
Vendor
Apple
Product
iOS and iPadOS
Classifications
CWE-119
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. Jan 16, 2026CVE publishedPublication date reported by the CVE source.
  2. Jan 16, 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=unspecified <18.1

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

Apple · iOS and iPadOSversion=unspecified <18.1

Published CVSS scores

7.8CISA-ADPCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

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
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-119Improper Restriction of Operations within the Bounds of a Memory Buffer

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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