CVE-2026-28859
Description
The issue was addressed with improved memory handling. This issue is fixed in Safari 26.4, iOS 26.4 and iPadOS 26.4, macOS Tahoe 26.4, tvOS 26.4, visionOS 26.4, watchOS 26.4. A malicious website may be able to process restricted web content outside the sandbox.
CWE
- CWE-416 — CWE-416 Use After Free
- CWE-125 — CWE-125 Out-of-bounds Read
- CWE-787 — CWE-787 Out-of-bounds Write
Affected
- Apple / Safari — v=0 <26.4 [affected]
- Apple / iOS and iPadOS — v=0 <26.4 [affected]
- Apple / macOS — v=0 <26.4 [affected]
- Apple / tvOS — v=0 <26.4 [affected]
- Apple / visionOS — v=0 <26.4 [affected]
- Apple / watchOS — v=0 <26.4 [affected]
CVSS
- (none)
References
- https://support.apple.com/en-us/126792
- https://support.apple.com/en-us/126794
- https://support.apple.com/en-us/126797
- https://support.apple.com/en-us/126798
- https://support.apple.com/en-us/126799
- https://support.apple.com/en-us/126800
Source
cvelistV5-main/cves/2026/28xxx/CVE-2026-28859.json