CVE-2026-84564
published 2026-09-14CVE-2026-84564: An uninitialized memory issue was addressed with improved memory initialization. This issue is fixed in iOS 26.7 and iPadOS 26.7, iOS 27 and iPadOS 27, macOS…
PriorityP421medium4.3CVSS 3.1
AVNACLPRNUIRSUCLINAN
EPSS
0.38%
31.1th percentile
An uninitialized memory issue was addressed with improved memory initialization. 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 image may result in disclosure of process memory.
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 |
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VulDB
Apple iOS/iPadOS/macOS/tvOS/visionOS/watchOS prior 26.7/27/15.8 uninitialized pointer
vuldb·2026-09-20·CVSS 4.3
CVE-2026-84564 [MEDIUM] Apple iOS/iPadOS/macOS/tvOS/visionOS/watchOS prior 26.7/27/15.8 uninitialized pointer
A vulnerability, which was classified as problematic, has been found in Apple iOS, iPadOS, macOS, tvOS, visionOS and watchOS. Affected by this issue is some unknown functionality. The manipulation leads to uninitialized pointer.
This vulnerability is listed as CVE-2026-84564. The attack may be initiated remotely. There is no available exploit.
It is advisable to upgrade the affected component.
GHSA
An uninitialized memory issue was addressed with improved memory initialization.
ghsa_unreviewed·2026-09-14
CVE-2026-84564 An uninitialized memory issue was addressed with improved memory initialization.
An uninitialized memory issue was addressed with improved memory initialization. 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 image may result in disclosure of process memory.
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