CVE-2024-54490

Local Keychain disclosure via missing runtime hardening

Published Dec 11, 2024 · Updated Apr 2, 2026

Origin validation error in AppleMobileFileIntegrity in Apple macOS before 15.2 allows local users to access Keychain items. The affected component ran without hardened runtime enforcement; Apple has not disclosed the executable or how that omission defeats Keychain access checks. Exploitation requires local low-privileged access and exposes Keychain data without reported modification or service interruption.

CVSS severity5.5
Medium
EPSS probability0.14%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
Coverage for this vulnerability

See if you're affected

Explore vulnerability checks for your environment with Hinoki.

Book a demo

Summary

What happened

Origin validation error in AppleMobileFileIntegrity in Apple macOS before 15.2 allows local users to access Keychain items. The affected component ran without hardened runtime enforcement; Apple has not disclosed the executable or how that omission defeats Keychain access checks. Exploitation requires local low-privileged access and exposes Keychain data without reported modification or service interruption.

The record

CVE
CVE-2024-54490
Published
Dec 11, 2024
Updated
Apr 2, 2026
Vendor
Apple
Product
macOS
Classifications
CWE-346, T1555.001
Attack vector
local
Privileges
authenticated

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

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

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

  1. Affected versionversion=0 <15.2

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

Apple · macOSversion=0 <15.2

Published CVSS scores

5.5CISA-ADPCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
5.5NISTCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/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)
Vectorlocal
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-346Origin Validation Error
T1555.001Credentials from Password Stores: Keychain

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

See the directory against your own environment.

Your stack

Check the software in your environment

Book a demo to see how Hinoki identifies affected software and validates exploitability in your environment.

Book a demo