CVE-2026-84595
published 2026-10-26CVE-2026-84595: 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…
PriorityP427high7.8
EPSS
0.22%
12.5th percentile
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 15.8.2, macOS Tahoe 26.7.2, visionOS 27. An app may be able to cause unexpected system termination.
Affected
5 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| apple | ios_and_ipados | < 27 | 27 |
| apple | macos | < 15.8.2 | 15.8.2 |
| apple | macos | < 26.7.2 | 26.7.2 |
| apple | macos | < 27 | 27 |
| apple | visionos | < 27 | 27 |
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.
GHSA
An out-of-bounds write issue was addressed with improved bounds checking.
ghsa_unreviewed·2026-10-26
CVE-2026-84595 An out-of-bounds write issue was addressed with improved bounds checking.
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 15.8.2, macOS Tahoe 26.7.2, visionOS 27. An app may be able to cause unexpected system termination.
VulDB
Apple iOS/iPadOS/macOS/visionOS prior 27/27/27/15.8.2/26.7.2 out-of-bounds write
vuldb·2026-10-26
CVE-2026-84595 Apple iOS/iPadOS/macOS/visionOS prior 27/27/27/15.8.2/26.7.2 out-of-bounds write
A vulnerability was found in Apple iOS, iPadOS, macOS and visionOS. It has been rated as very critical. This vulnerability affects unknown code. This manipulation causes out-of-bounds write.
The identification of this vulnerability is CVE-2026-84595. It is possible to initiate the attack remotely. There is no exploit available.
Upgrading the affected component is advised.
No detection rules found.
No public exploits indexed.
2026-10-26
Published