CVE-2024-54505Network attack vector

Memory corruption via WebKit type confusion

Published Dec 11, 2024 · Updated Apr 2, 2026

WebKit type confusion in affected Apple platforms allows remote attackers to corrupt memory by serving malicious web content. Apple identifies WebKit bug 282661 as the affected locus but has not disclosed the confused object types or faulty operation on attacker-controlled data. Exploitation requires a user to process the crafted content; the published impact is bounded to memory corruption.

CVSS severity8.8
High
EPSS probability1.09%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

WebKit type confusion in affected Apple platforms allows remote attackers to corrupt memory by serving malicious web content. Apple identifies WebKit bug 282661 as the affected locus but has not disclosed the confused object types or faulty operation on attacker-controlled data. Exploitation requires a user to process the crafted content; the published impact is bounded to memory corruption.

The record

CVE
CVE-2024-54505
Published
Dec 11, 2024
Updated
Apr 2, 2026
Vendor
Apple
Product
iOS and iPadOS
Classifications
CWE-843, T1203
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 · Safariversion=0 <18.2
Apple · tvOSversion=0 <18.2
Apple · macOSversion=0 <15.2
Apple · iPadOSversion=0 <17.7.3
Apple · watchOSversion=0 <11.2

Published CVSS scores

8.8NISTCVSS:3.1/AV:N/AC:L/PR:N/UI:R/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.

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-843Access of Resource Using Incompatible Type ('Type Confusion')
T1203Exploitation for Client Execution

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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