CVE-2026-28991
published 2026-05-11CVE-2026-28991: An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in iOS 26.5 and iPadOS 26.5, macOS Tahoe 26.5, tvOS 26.5, visionOS 26.5…
PriorityP336high7.5CVSS 3.1
AVNACLPRNUINSUCNINAH
EPSS
0.38%
30.4th percentile
An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in iOS 26.5 and iPadOS 26.5, macOS Tahoe 26.5, tvOS 26.5, visionOS 26.5, watchOS 26.5. An app may be able to cause a denial-of-service.
Affected
8 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| apple | ios_and_ipados | < 26.5 | 26.5 |
| apple | ipados | < 26.5 | 26.5 |
| apple | iphone_os | < 26.5 | 26.5 |
| apple | macos | < 26.5 | 26.5 |
| apple | macos | >= 26.0 < 26.5 | 26.5 |
| apple | tvos | < 26.5 | 26.5 |
| apple | visionos | < 26.5 | 26.5 |
| apple | watchos | < 26.5 | 26.5 |
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No detection rules found.
No public exploits indexed.
2026-05-11
Published