CVE-2024-40849: An app may be able to break out of its sandbox in Apple macOS
CVE-2024-40849 is a high-severity vulnerability in Apple macOS where a race condition could allow an application to break out of its sandbox. The issue was addressed by adding additional validation and is fixed in macOS Sequoia 15. 1. The vulnerability has a CVSS score of 7. 5, indicating significant impact on confidentiality if exploited. There are no known exploits in the wild at this time.
AI Analysis
Technical Summary
This vulnerability involves a race condition in macOS that could enable an app to escape its sandbox restrictions, potentially leading to unauthorized access to system resources or data. Apple fixed this issue by implementing additional validation in macOS Sequoia 15.1. The CVSS vector indicates the vulnerability is remotely exploitable without privileges or user interaction, with a high impact on confidentiality but no impact on integrity or availability.
Potential Impact
Successful exploitation could allow an unprivileged app to break out of its sandbox, compromising system confidentiality. There is no indication of impact on integrity or availability. No known exploits have been reported in the wild.
Mitigation Recommendations
A fix is available in macOS Sequoia 15.1. Users and administrators should update to this version to remediate the vulnerability. No additional mitigation steps are indicated by the vendor advisory.
CVE-2024-40849: An app may be able to break out of its sandbox in Apple macOS
Description
CVE-2024-40849 is a high-severity vulnerability in Apple macOS where a race condition could allow an application to break out of its sandbox. The issue was addressed by adding additional validation and is fixed in macOS Sequoia 15. 1. The vulnerability has a CVSS score of 7. 5, indicating significant impact on confidentiality if exploited. There are no known exploits in the wild at this time.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves a race condition in macOS that could enable an app to escape its sandbox restrictions, potentially leading to unauthorized access to system resources or data. Apple fixed this issue by implementing additional validation in macOS Sequoia 15.1. The CVSS vector indicates the vulnerability is remotely exploitable without privileges or user interaction, with a high impact on confidentiality but no impact on integrity or availability.
Potential Impact
Successful exploitation could allow an unprivileged app to break out of its sandbox, compromising system confidentiality. There is no indication of impact on integrity or availability. No known exploits have been reported in the wild.
Mitigation Recommendations
A fix is available in macOS Sequoia 15.1. Users and administrators should update to this version to remediate the vulnerability. No additional mitigation steps are indicated by the vendor advisory.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- apple
- Date Reserved
- 2024-07-10T17:11:04.709Z
- Cvss Version
- null
- State
- PUBLISHED
Threat ID: 69ceb81ae6bfc5ba1df6ddf1
Added to database: 4/2/2026, 6:40:26 PM
Last enriched: 4/9/2026, 10:52:15 PM
Last updated: 5/20/2026, 6:44:11 PM
Views: 51
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
External Links
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.