What is CVE-2026-84596?

CVE-2026-84596 is a medium-severity vulnerability in Apple iOS And Ipados, classified under Out-of-bounds Read. CVSS score: 6.5/10. Published 2026-09-14.

How severe is CVE-2026-84596?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Out-of-bounds Read in Apple iOS And Ipados

CVE-2026-84596

An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in iOS 27 and iPadOS 27, macOS Golden Gate 27, tvOS 27, visionOS 27, watchOS 27. Processing a maliciously crafted font may result in the disclosure of process memory.

Vulnerability class: Buffer Overflow

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N.

Affected products

Apple Ios And Ipados
Apple Macos
Apple Tvos
Apple Visionos
Apple Watchos

Weakness classification (CWE)

CWE-125 — Out-of-bounds Read

References

product-security@apple.com
product-security@apple.com
product-security@apple.com
product-security@apple.com
product-security@apple.com

Frequently asked questions

What is CVE-2026-84596?: CVE-2026-84596 is a medium-severity vulnerability in Apple iOS And Ipados, classified under Out-of-bounds Read. CVSS score: 6.5/10. Published 2026-09-14.
How severe is CVE-2026-84596?: Medium severity. CVSS v3 base score is 6.5 out of 10.