CVE-2024-23296

HIGH

7.8

CVSS Score

Published: March 5, 2024 at 07:24 PM UTC

Updated: June 17, 2026 at 07:12 AM UTC

6 products affected across 1 vendormacOSiPhone OSiPadOS

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Severity

HIGH7.8

Exploitation

CISA KEV

Exploit prediction

EPSS 1%

SSVC

Active

Actively Exploited

CISA Known Exploited Vulnerabilities (KEV) Catalog

EPSS Score1.4%

EPSS (Exploit Prediction Scoring System) estimates a 1.4% chance this CVE is exploited in the wild within the next 30 days — higher than 73% of all CVEs. It complements CVSS: a high EPSS on a mid-severity CVE can still be urgent.

Apple iOS, iPadOS, macOS, tvOS, and watchOS RTKit contain a memory corruption vulnerability that allows an attacker with arbitrary kernel read and write capability to bypass kernel memory protections.

Required Action

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Ransomware Use

Unknown

Added to KEV

Mar 6, 2024

Remediation Due

Mar 27, 2024

946 days overdue

Notes

https://support.apple.com/en-us/HT214081, https://support.apple.com/en-us/HT214082, https://support.apple.com/en-us/HT214084, https://support.apple.com/en-us/HT214086, https://support.apple.com/en-us/HT214088

https://nvd.nist.gov/vuln/detail/CVE-2024-23296

Description

A memory corruption issue was addressed with improved validation. This issue is fixed in iOS 17.4 and iPadOS 17.4. An attacker with arbitrary kernel read and write capability may be able to bypass kernel memory protections. Apple is aware of a report that this issue may have been exploited.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

iPadOS · Apple

95%

v < 16.7.8v < 17.417.0 ≤ v < 17.4

Affected range stops below 16.7.8, so it looks safe — our inference, not a vendor statement

Affected range stops below 17.4, so it looks safe — our inference, not a vendor statement

iPhone OS · Apple

95%

v < 16.7.8v < 17.417.0 ≤ v < 17.4

Affected range stops below 16.7.8, so it looks safe — our inference, not a vendor statement

Affected range stops below 17.4, so it looks safe — our inference, not a vendor statement

macOS · Apple

95%

v < 12.7.6v < 13.6.7v < 14.412.0 ≤ v < 12.7.613.0 ≤ v < 13.6.714.0 ≤ v < 14.414.0

Affected range stops below 12.7.6, so it looks safe — our inference, not a vendor statement

Affected range stops below 13.6.7, so it looks safe — our inference, not a vendor statement

Affected range stops below 14.4, so it looks safe — our inference, not a vendor statement

tvOS · Apple

95%

v < 17.4

Affected range stops below 17.4, so it looks safe — our inference, not a vendor statement

visionOS · Apple

95%

v < 1.1

Affected range stops below 1.1, so it looks safe — our inference, not a vendor statement

watchOS · Apple

95%

v < 10.4

Affected range stops below 10.4, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references