CVE-2026-84511

high

Description

An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 27 and iPadOS 27, macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7, tvOS 27, visionOS 27, watchOS 27. Processing a maliciously crafted asset catalog may lead to unexpected process termination.

References

https://support.apple.com/en-us/149043

https://support.apple.com/en-us/149042

https://support.apple.com/en-us/149038

https://support.apple.com/en-us/149037

https://support.apple.com/en-us/149036

https://support.apple.com/en-us/149035

https://support.apple.com/en-us/149034

Details

Source: Mitre, NVD

Published: 2026-09-14

Updated: 2026-09-15

Risk Information

CVSS v2

Base Score: 6.8

Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:P

Severity: Medium

CVSS v3

Base Score: 7.8

Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Severity: High

EPSS

EPSS: 0.00203