CVE-2026-28978
HIGHCVSS 8.8/10EPSS 0.14%
Last modified
CVE-2026-28978 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. A permissions issue was addressed with additional restrictions. This issue is fixed in macOS Sequoia 15.7.7, macOS Sonoma 14.8.7, macOS Tahoe 26.5. EPSS estimates a 0.14% chance of exploitation in the next 30 days.
Description
A permissions issue was addressed with additional restrictions. This issue is fixed in macOS Sequoia 15.7.7, macOS Sonoma 14.8.7, macOS Tahoe 26.5. A malicious app may be able to break out of its sandbox.
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Apple | Macos | >= 14.0, < 14.8.7 |
| Apple | Macos | >= 15.0, < 15.7.7 |
| Apple | Macos | >= 26.0, < 26.5 |
References
- https://support.apple.com/en-us/127115Release Notes, Vendor Advisory
- https://support.apple.com/en-us/127116Release Notes, Vendor Advisory
- https://support.apple.com/en-us/127117Release Notes, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2026-28978?
A permissions issue was addressed with additional restrictions. This issue is fixed in macOS Sequoia 15.7.7, macOS Sonoma 14.8.7, macOS Tahoe 26.5. A malicious app may be able to break out of its sandbox.
How severe is CVE-2026-28978?
CVE-2026-28978 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 0.14% probability of exploitation in the next 30 days.
How do I fix CVE-2026-28978?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2026-28978?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST