Out-of-Bounds Access Issue in Apple Safari on iOS and macOS
CVE-2026-64784

4.3MEDIUM

Key Information:

Vendor

Apple
Status
Safari
iOS And iPad OS
Mac OS
Vendor
CVE Published:
17 August 2026

What is CVE-2026-64784?

An out-of-bounds access vulnerability in Apple Safari can lead to unexpected application crashes when processing malicious web content. This issue has been addressed with improved bounds checking in multiple versions of iOS, iPadOS, and macOS. Users are advised to update their devices to the latest versions to mitigate potential risks associated with this issue.

Affected Version(s)

iOS and iPadOS 0 < 18.7.10

iOS and iPadOS 0 < 26.6.1

macOS 0 < 26.6.2

References

https://support.apple.com/en-us/148281
https://support.apple.com/en-us/148282
https://support.apple.com/en-us/148286

CVSS V3.1

Score:
4.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.