How severe is CVE-2026-28831?

CVE-2026-28831 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2026-28831 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (7th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-28831?

CVE-2026-28831 affects Apple Macos. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-28831?

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

Does CVE-2026-28831 have an EU (EUVD) identifier?

Yes. CVE-2026-28831 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-15101.

When was CVE-2026-28831 published?

CVE-2026-28831 was published on 2026-03-25 and last updated on 2026-06-17.

CVE-2026-28831

CVE-2026-28831 is a medium-severity vulnerability in Apple Macos with a CVSS 3.x base score of 5.5. 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 5.5)
EPSS exploit prediction: 0% (7th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-15101
Affected product: Apple Macos
Published: 2026-03-25
Last modified: 2026-06-17

Description

An authorization issue was addressed with improved state management. This issue is fixed in macOS Sequoia 15.7.5, macOS Sonoma 14.8.5, macOS Tahoe 26.4. An app may be able to access sensitive user data.

Frequently asked questions

What is CVE-2026-28831?: An authorization issue was addressed with improved state management. This issue is fixed in macOS Sequoia 15.7.5, macOS Sonoma 14.8.5, macOS Tahoe 26.4. An app may be able to access sensitive user data.
How severe is CVE-2026-28831?: CVE-2026-28831 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2026-28831 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (7th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-28831?: CVE-2026-28831 affects Apple Macos. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-28831?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-28831 have an EU (EUVD) identifier?: Yes. CVE-2026-28831 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-15101.
When was CVE-2026-28831 published?: CVE-2026-28831 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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