What is CVE-2026-28874?

CVE-2026-28874 is a high-severity vulnerability in Apple iOS And Ipados, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2026-03-25.

How severe is CVE-2026-28874?

High severity. CVSS v3 base score is 7.5 out of 10.

Resource exhaustion in Apple iOS And Ipados

CVE-2026-28874

The issue was addressed with improved checks. This issue is fixed in iOS 26.4 and iPadOS 26.4. A remote attacker may cause an unexpected app termination.

Vulnerability class: DoS (Denial of Service)

Published 2026-03-25 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.005 (41.2th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 41st percentile — 41.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.005 · change: +0.001

Affected products

Weakness classification (CWE)

CWE-400 — Uncontrolled Resource Consumption

References

support.apple.com/en-us/126792 (Vendor Advisory)

Frequently asked questions

What is CVE-2026-28874?: CVE-2026-28874 is a high-severity vulnerability in Apple iOS And Ipados, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2026-03-25.
How severe is CVE-2026-28874?: High severity. CVSS v3 base score is 7.5 out of 10.