Vulnerability in Apple macOS
CVE-2026-28826
A logic issue was addressed with improved restrictions. This issue is fixed in macOS Sequoia 15.7.5, macOS Sonoma 14.8.5, macOS Tahoe 26.4. A malicious app may be able to break out of its sandbox.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.0 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.
EPSS exploit prediction
EPSS: 0.002 (6.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 7th percentile — 6.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: +0.000
Affected products
- Apple macOS — versions 0
References
- support.apple.com/en-us/126794 (Release Notes, Vendor Advisory)
- support.apple.com/en-us/126795
- support.apple.com/en-us/126796
Frequently asked questions
- What is CVE-2026-28826?
- CVE-2026-28826 is a medium-severity vulnerability in Apple macOS. CVSS score: 4.0/10. Published 2026-03-25.
- How severe is CVE-2026-28826?
- Medium severity. CVSS v3 base score is 4.0 out of 10.