CVE-2023-40389

Sensitive user-data disclosure via container access restrictions

Published Jun 10, 2024 · Updated Nov 4, 2025

Information disclosure in Transparency in Apple macOS before 12.7.4 and 13.0 through 13.6.4 allows local apps to read sensitive user data. The component insufficiently restricts access to a data container, exposing sensitive user data to an app. Execution of an app by a local user is required; Apple has not disclosed the container, data types, or exact faulty access-control operation.

CVSS severity5.5
Medium
EPSS probability0.22%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Information disclosure in Transparency in Apple macOS before 12.7.4 and 13.0 through 13.6.4 allows local apps to read sensitive user data. The component insufficiently restricts access to a data container, exposing sensitive user data to an app. Execution of an app by a local user is required; Apple has not disclosed the container, data types, or exact faulty access-control operation.

The record

CVE
CVE-2023-40389
Published
Jun 10, 2024
Updated
Nov 4, 2025
Vendor
Apple
Product
macOS
Classifications
T1005
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. Jun 10, 2024CVE publishedPublication date reported by the CVE source.
  2. Nov 4, 2025Record 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 <12.7
  2. Affected versionversion=unspecified <13.6

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

Apple · macOSversion=unspecified <12.7; version=unspecified <13.6

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:N/UI:R/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

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Your stack

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