CVE-2024-40847

Local sensitive-data disclosure

Published Sep 16, 2024 · Updated Apr 2, 2026

Information disclosure in Apple macOS Ventura before 13.7, Sonoma before 14.7, and Sequoia before 15 allows local users to read sensitive data. Apple has not disclosed which code-signing check AppleMobileFileIntegrity performs incorrectly or which data classes are exposed. Exploitation requires local low-privileged app execution; no user interaction is reported, and the observed impact is limited to reading data.

CVSS severity5.5
Medium
EPSS probability0.23%
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

Information disclosure in Apple macOS Ventura before 13.7, Sonoma before 14.7, and Sequoia before 15 allows local users to read sensitive data. Apple has not disclosed which code-signing check AppleMobileFileIntegrity performs incorrectly or which data classes are exposed. Exploitation requires local low-privileged app execution; no user interaction is reported, and the observed impact is limited to reading data.

The record

CVE
CVE-2024-40847
Published
Sep 16, 2024
Updated
Apr 2, 2026
Vendor
Apple
Product
macOS
Classifications
T1005
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. Sep 16, 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 <13.7
  2. Affected versionversion=0 <14.7
  3. Affected versionversion=0 <15

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

Apple · macOSversion=0 <13.7; version=0 <14.7; version=0 <15

Published CVSS scores

5.5CISA-ADPCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
5.5NIST NVDCVSS: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

T1005Data from Local System

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