Buffer overflow in Apple Ios And Ipados

CVE-2026-28940

The issue was addressed with improved memory handling. This issue is fixed in iOS 18.7.9 and iPadOS 18.7.9, iOS 26.5 and iPadOS 26.5, macOS Sequoia 15.7.7, macOS Tahoe 26.5, tvOS 26.5, visionOS 26.5. Processing a maliciously crafted image…

Vulnerability class: Buffer Overflow

EPSS: 0.000 (14.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-28940?
CVE-2026-28940 is a high-severity vulnerability in Apple Ios And Ipados, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 8.8/10. Published 2026-05-11.
How severe is CVE-2026-28940?
High severity. CVSS v3 base score is 8.8 out of 10.