Out-of-bounds Read in Apple iOS And Ipados

CVE-2025-46306

The issue was addressed with improved bounds checks. This issue is fixed in Keynote 15.1, iOS 26 and iPadOS 26, macOS Tahoe 26. Processing a maliciously crafted Keynote file may disclose memory contents.

Vulnerability class: Buffer Overflow

Published · last modified .

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.001 (3.2th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 3rd percentile — 3.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2025-46306: held from 0.001 to 0.001.

EPSS over last 30 days · oldest: 0.001 · newest: 0.001 · change: +0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-46306?
CVE-2025-46306 is a medium-severity vulnerability in Apple iOS And Ipados, classified under Out-of-bounds Read. CVSS score: 5.5/10. Published 2026-01-28.
How severe is CVE-2025-46306?
Medium severity. CVSS v3 base score is 5.5 out of 10.