CVE-2024-40842: An issue was addressed with improved validation of environment variables
Source GCVE Database
Not known to be exploited · CVSS 5.5 Medium.
Data as of 3 Nov 2026, 17:26 UTC
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:NExploitation evidence
Disclosed: evidence found.
CVE published 16 Sep 2024
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by 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 3 Nov 2026.
What to do
AI-suggested
The issue is fixed in macOS Sequoia 15. Users and administrators should update to this version to remediate the vulnerability.
Description
CVE-2024-40842 is a vulnerability in macOS Sequoia 15 involving insufficient validation of environment variables. This flaw could allow an application with limited privileges to access user-sensitive data. The issue has been addressed with improved validation in macOS Sequoia 15.