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CVE-2023-40411VulnerabilityPublished Updated

CVE-2023-40411: Apple macOS · An app may be able to access user-sensitive data

Affects Apple macOSSource CVE Database V5

0

Not known to be exploited · CVSS 5.5 Medium : upgrade to 14 when convenient.

Data as of 25 Oct 2026, 19:02 UTC

CVSS 3.1 base score
5.5Medium
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.2% chance of exploitation in 30 days – higher than 11% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 14
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 10 Jan 2024

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 2026-10-25.

What to do

Upgrade Apple macOS to 14.

Affected software

ProductAffectedFixed in
Apple macOSAffected
  • <14
Fixed in
  • 14

AI-suggested

The most effective mitigation is to update all macOS devices to macOS Sonoma 14 or later, where the vulnerability is fixed. Organizations should enforce strict patch management policies to ensure timely updates. Additionally, restricting the installation of untrusted or unsigned applications reduces the risk of malicious apps exploiting this vulnerability. Employing endpoint protection solutions that monitor app behavior and data access can help detect suspicious activities. User training to recognize and avoid interacting with potentially malicious applications is also critical. Implementing application whitelisting and leveraging Apple's built-in security features such as System Integrity Protection (SIP) and app sandboxing further reduces exposure. Regular audits of installed applications and permissions can identify and remediate risky software.

Description

This issue was addressed with improved data protection. This issue is fixed in macOS Sonoma 14. An app may be able to access user-sensitive data.

References

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