CVE-2026-28890

CVE-2026-28890 is a medium-severity vulnerability in Apple Xcode 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. The underlying weakness is classified as CWE-125.

Key facts

Description

An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in Xcode 26.4. An app may be able to cause unexpected system termination.

Frequently asked questions

What is CVE-2026-28890?
An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in Xcode 26.4. An app may be able to cause unexpected system termination.
How severe is CVE-2026-28890?
CVE-2026-28890 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2026-28890 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (1st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-28890?
CVE-2026-28890 affects Apple Xcode. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-28890?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-28890 have an EU (EUVD) identifier?
Yes. CVE-2026-28890 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-15168.
When was CVE-2026-28890 published?
CVE-2026-28890 was published on 2026-03-25 and last updated on 2026-06-17.

References

Affected products (1)

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