How severe is CVE-2026-28823?

CVE-2026-28823 has a CVSS 3.x base score of 4.9, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2026-28823 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (21st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-28823?

CVE-2026-28823 affects Apple Macos. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-28823?

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

Does CVE-2026-28823 have an EU (EUVD) identifier?

Yes. CVE-2026-28823 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-15089.

When was CVE-2026-28823 published?

CVE-2026-28823 was published on 2026-03-25 and last updated on 2026-06-17.

CVE-2026-28823

CVE-2026-28823 is a medium-severity vulnerability in Apple Macos with a CVSS 3.x base score of 4.9. 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-284.

Key facts

Severity: Medium (CVSS 3.x base score 4.9)
EPSS exploit prediction: 0% (21st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-15089
Weakness: CWE-284
Affected product: Apple Macos
Published: 2026-03-25
Last modified: 2026-06-17

Description

A path handling issue was addressed with improved validation. This issue is fixed in macOS Tahoe 26.4. An app with root privileges may be able to delete protected system files.

Frequently asked questions

What is CVE-2026-28823?: A path handling issue was addressed with improved validation. This issue is fixed in macOS Tahoe 26.4. An app with root privileges may be able to delete protected system files.
How severe is CVE-2026-28823?: CVE-2026-28823 has a CVSS 3.x base score of 4.9, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2026-28823 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (21st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-28823?: CVE-2026-28823 affects Apple Macos. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-28823?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-28823 have an EU (EUVD) identifier?: Yes. CVE-2026-28823 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-15089.
When was CVE-2026-28823 published?: CVE-2026-28823 was published on 2026-03-25 and last updated on 2026-06-17.

References

https://support.apple.com/en-us/126794

Affected products (1)

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

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