How severe is CVE-2026-28908?

CVE-2026-28908 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2026-28908 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (38th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-28908?

CVE-2026-28908 affects Apple Macos. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-28908?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2026-28908 have an EU (EUVD) identifier?

Yes. CVE-2026-28908 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-29233.

When was CVE-2026-28908 published?

CVE-2026-28908 was published on 2026-05-11 and last updated on 2026-06-17.

CVE-2026-28908

CVE-2026-28908 is a high-severity vulnerability in Apple Macos with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-400.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 0% (38th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-29233
Weakness: CWE-400
Affected product: Apple Macos
Published: 2026-05-11
Last modified: 2026-06-17

Description

A denial of service issue was addressed by removing the vulnerable code. This issue is fixed in macOS Sequoia 15.7.7, macOS Sonoma 14.8.7, macOS Tahoe 26.5. An app may be able to modify protected parts of the file system.

Frequently asked questions

What is CVE-2026-28908?: A denial of service issue was addressed by removing the vulnerable code. This issue is fixed in macOS Sequoia 15.7.7, macOS Sonoma 14.8.7, macOS Tahoe 26.5. An app may be able to modify protected parts of the file system.
How severe is CVE-2026-28908?: CVE-2026-28908 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2026-28908 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (38th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-28908?: CVE-2026-28908 affects Apple Macos. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-28908?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2026-28908 have an EU (EUVD) identifier?: Yes. CVE-2026-28908 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-29233.
When was CVE-2026-28908 published?: CVE-2026-28908 was published on 2026-05-11 and last updated on 2026-06-17.

References

Affected products (1)

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

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