CVE-2026-28978: A malicious app may be able to break out of its sandbox in Apple macOS
CVE-2026-28978 is a vulnerability in Apple macOS where a permissions issue could allow a malicious application to escape its sandbox. This issue has been addressed with additional restrictions and fixed in macOS Sequoia 15. 7. 7, macOS Sonoma 14. 8. 7, and macOS Tahoe 26. 5. No known exploits are reported in the wild at this time.
AI Analysis
Technical Summary
This vulnerability involves a permissions flaw in macOS that could enable a malicious app to break out of its sandbox environment, potentially bypassing security controls designed to isolate applications. Apple has fixed this issue by implementing additional restrictions in the specified macOS versions. No CVSS score is provided, and no detailed technical exploitation methods are described.
Potential Impact
If exploited, a malicious app could escape its sandbox, potentially gaining access to system resources or data beyond its intended permissions. This could undermine the security model of macOS sandboxing, increasing the risk of unauthorized actions by malicious software. However, there are no known exploits in the wild currently.
Mitigation Recommendations
A fix is available and included in macOS Sequoia 15.7.7, macOS Sonoma 14.8.7, and macOS Tahoe 26.5. Users and administrators should update affected macOS systems to these versions or later to remediate this vulnerability. Patch status is confirmed by the vendor advisory stating the issue is fixed in these releases.
CVE-2026-28978: A malicious app may be able to break out of its sandbox in Apple macOS
Description
CVE-2026-28978 is a vulnerability in Apple macOS where a permissions issue could allow a malicious application to escape its sandbox. This issue has been addressed with additional restrictions and fixed in macOS Sequoia 15. 7. 7, macOS Sonoma 14. 8. 7, and macOS Tahoe 26. 5. No known exploits are reported in the wild at this time.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves a permissions flaw in macOS that could enable a malicious app to break out of its sandbox environment, potentially bypassing security controls designed to isolate applications. Apple has fixed this issue by implementing additional restrictions in the specified macOS versions. No CVSS score is provided, and no detailed technical exploitation methods are described.
Potential Impact
If exploited, a malicious app could escape its sandbox, potentially gaining access to system resources or data beyond its intended permissions. This could undermine the security model of macOS sandboxing, increasing the risk of unauthorized actions by malicious software. However, there are no known exploits in the wild currently.
Mitigation Recommendations
A fix is available and included in macOS Sequoia 15.7.7, macOS Sonoma 14.8.7, and macOS Tahoe 26.5. Users and administrators should update affected macOS systems to these versions or later to remediate this vulnerability. Patch status is confirmed by the vendor advisory stating the issue is fixed in these releases.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- apple
- Date Reserved
- 2026-03-03T16:36:03.993Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a028760cbff5d86108b672c
Added to database: 5/12/2026, 1:50:24 AM
Last enriched: 5/12/2026, 2:03:54 AM
Last updated: 5/12/2026, 3:48:26 AM
Views: 2
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