How severe is CVE-2026-28889?

CVE-2026-28889 has a CVSS 3.x base score of 6.2, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2026-28889 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (2nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-28889?

CVE-2026-28889 affects Apple Xcode. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-28889?

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

Does CVE-2026-28889 have an EU (EUVD) identifier?

Yes. CVE-2026-28889 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-15167.

When was CVE-2026-28889 published?

CVE-2026-28889 was published on 2026-03-25 and last updated on 2026-06-17.

CVE-2026-28889

CVE-2026-28889 is a medium-severity vulnerability in Apple Xcode with a CVSS 3.x base score of 6.2. 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-269.

Key facts

Severity: Medium (CVSS 3.x base score 6.2)
EPSS exploit prediction: 0% (2nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-15167
Weakness: CWE-269
Affected product: Apple Xcode
Published: 2026-03-25
Last modified: 2026-06-17

Description

A permissions issue was addressed with additional restrictions. This issue is fixed in Xcode 26.4. An app may be able to read arbitrary files as root.

Frequently asked questions

What is CVE-2026-28889?: A permissions issue was addressed with additional restrictions. This issue is fixed in Xcode 26.4. An app may be able to read arbitrary files as root.
How severe is CVE-2026-28889?: CVE-2026-28889 has a CVSS 3.x base score of 6.2, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2026-28889 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (2nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-28889?: CVE-2026-28889 affects Apple Xcode. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-28889?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-28889 have an EU (EUVD) identifier?: Yes. CVE-2026-28889 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-15167.
When was CVE-2026-28889 published?: CVE-2026-28889 was published on 2026-03-25 and last updated on 2026-06-17.

References

https://support.apple.com/en-us/126801

Affected products (1)

cpe:2.3:a:apple:xcode:*:*:*:*:*:*:*:*

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