CVE-2026-86970
published 2026-10-26CVE-2026-86970: An out-of-bounds read was addressed with improved input validation. This issue is fixed in iOS 26.7.2 and iPadOS 26.7.2, iOS 27.2 and iPadOS 27.2, macOS Golden…
PriorityP427high7.8
EPSS
0.23%
14.0th percentile
An out-of-bounds read was addressed with improved input validation. This issue is fixed in iOS 26.7.2 and iPadOS 26.7.2, iOS 27.2 and iPadOS 27.2, macOS Golden Gate 27.2, macOS Sequoia 15.8.2, macOS Tahoe 26.7.2, tvOS 27.2, visionOS 27.2, watchOS 27.2. Processing a maliciously crafted font may result in the disclosure of process memory.
Affected
8 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| apple | ios_and_ipados | < 26.7.2 | 26.7.2 |
| apple | ios_and_ipados | < 27.2 | 27.2 |
| apple | macos | < 15.8.2 | 15.8.2 |
| apple | macos | < 26.7.2 | 26.7.2 |
| apple | macos | < 27.2 | 27.2 |
| apple | tvos | < 27.2 | 27.2 |
| apple | visionos | < 27.2 | 27.2 |
| apple | watchos | < 27.2 | 27.2 |
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GHSA
An out-of-bounds read was addressed with improved input validation.
ghsa_unreviewed·2026-10-26
CVE-2026-86970 An out-of-bounds read was addressed with improved input validation.
An out-of-bounds read was addressed with improved input validation. This issue is fixed in iOS 26.7.2 and iPadOS 26.7.2, iOS 27.2 and iPadOS 27.2, macOS Golden Gate 27.2, macOS Sequoia 15.8.2, macOS Tahoe 26.7.2, tvOS 27.2, visionOS 27.2, watchOS 27.2. Processing a maliciously crafted font may result in the disclosure of process memory.
VulDB
Apple iOS/iPadOS/macOS/tvOS/visionOS/watchOS prior 26.7.2/27.2/15.8.2 Font Processing out-of-bounds
vuldb·2026-10-26
CVE-2026-86970 [CRITICAL] Apple iOS/iPadOS/macOS/tvOS/visionOS/watchOS prior 26.7.2/27.2/15.8.2 Font Processing out-of-bounds
A vulnerability labeled as critical has been found in Apple iOS, iPadOS, macOS, tvOS, visionOS and watchOS. This vulnerability affects unknown code of the component Font Processing. Such manipulation leads to out-of-bounds read.
This vulnerability is listed as CVE-2026-86970. The attack may be performed from remote. There is no available exploit.
The affected component should be upgraded.
No detection rules found.
No public exploits indexed.
https://support.apple.com/en-us/149227https://support.apple.com/en-us/149230https://support.apple.com/en-us/149521https://support.apple.com/en-us/149522https://support.apple.com/en-us/149523https://support.apple.com/en-us/149524https://support.apple.com/en-us/149525https://support.apple.com/en-us/149526
2026-10-26
Published