CVE-2026-84524
published 2026-09-14CVE-2026-84524: An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in iOS 26.7 and iPadOS 26.7, iOS 27 and iPadOS 27, macOS Golden Gate 27…
PriorityP421medium4.3CVSS 3.1
AVNACLPRNUIRSUCNINAL
EPSS
0.43%
35.8th percentile
An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in iOS 26.7 and iPadOS 26.7, 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 font file may lead to unexpected app termination.
Affected
15 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| apple | ios_and_ipados | < 26.7 | 26.7 |
| apple | ios_and_ipados | < 27 | 27 |
| apple | ipados | < 26.7 | 26.7 |
| apple | iphone_os | < 26.7 | 26.7 |
| apple | macos | < 15.8 | 15.8 |
| apple | macos | < 26.7 | 26.7 |
| apple | macos | < 27 | 27 |
| apple | macos | >= 15.0 < 15.8 | 15.8 |
| apple | macos | >= 26.0 < 26.7 | 26.7 |
| apple | tvos | < 27 | 27 |
| apple | tvos | < 27.0 | 27.0 |
| apple | visionos | < 27 | 27 |
| apple | visionos | < 27.0 | 27.0 |
| apple | watchos | < 27 | 27 |
| apple | watchos | < 27.0 | 27.0 |
Stop checking back — get the weekly exploitation signal.
Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.
VulDB
Apple iOS/iPadOS/macOS/tvOS/visionOS/watchOS prior 26.7/27/15.8 out-of-bounds
vuldb·2026-09-19·CVSS 4.3
CVE-2026-84524 [MEDIUM] Apple iOS/iPadOS/macOS/tvOS/visionOS/watchOS prior 26.7/27/15.8 out-of-bounds
A vulnerability was found in Apple iOS, iPadOS, macOS, tvOS, visionOS and watchOS and classified as critical. This impacts an unknown function. Executing a manipulation can lead to out-of-bounds read.
This vulnerability appears as CVE-2026-84524. The attack may be performed from remote. There is no available exploit.
It is suggested to upgrade the affected component.
GHSA
An out-of-bounds read was addressed with improved bounds checking.
ghsa_unreviewed·2026-09-14
CVE-2026-84524 An out-of-bounds read was addressed with improved bounds checking.
An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in iOS 26.7 and iPadOS 26.7, 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 font file may lead to unexpected app termination.
No detection rules found.
No public exploits indexed.
https://support.apple.com/en-us/149034https://support.apple.com/en-us/149035https://support.apple.com/en-us/149036https://support.apple.com/en-us/149037https://support.apple.com/en-us/149038https://support.apple.com/en-us/149041https://support.apple.com/en-us/149042https://support.apple.com/en-us/149043
2026-09-14
Published