How severe is CVE-2026-28826?

CVE-2026-28826 has a CVSS 3.x base score of 4.0, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.

Is CVE-2026-28826 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (6th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-28826?

CVE-2026-28826 affects Apple Macos. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-28826?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-28826 have an EU (EUVD) identifier?

Yes. CVE-2026-28826 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-15095.

When was CVE-2026-28826 published?

CVE-2026-28826 was published on 2026-03-25 and last updated on 2026-06-17.

CVE-2026-28826

CVE-2026-28826 is a medium-severity vulnerability in Apple Macos with a CVSS 3.x base score of 4.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 3.x base score 4.0)
EPSS exploit prediction: 0% (6th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-15095
Affected product: Apple Macos
Published: 2026-03-25
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2026-28826?: CVE-2026-28826 has a CVSS 3.x base score of 4.0, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.
Is CVE-2026-28826 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (6th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-28826?: CVE-2026-28826 affects Apple Macos. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-28826?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-28826 have an EU (EUVD) identifier?: Yes. CVE-2026-28826 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-15095.
When was CVE-2026-28826 published?: CVE-2026-28826 was published on 2026-03-25 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*

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