Use-After-Free Vulnerability in Safari, iOS, and macOS by Apple
CVE-2026-112623

8.8HIGH

Key Information:

Vendor

Apple
Status
Safari
iOS And iPad OS
Mac OS
Visionos
Vendor
CVE Published:
26 October 2026

What is CVE-2026-112623?

A significant use-after-free vulnerability was identified in Apple's Safari browser, iOS, iPadOS, macOS, and visionOS platforms. An attacker could exploit this flaw by leveraging maliciously crafted web content, potentially allowing for arbitrary code execution on compromised devices. Apple has addressed this vulnerability through improved memory management in the latest software updates. Users are encouraged to update their devices to the latest versions to mitigate potential risks.

Affected Version(s)

iOS and iPadOS 0 < 26.7.2

iOS and iPadOS 0 < 27.2

macOS 0 < 27.2

References

https://support.apple.com/en-us/149227
https://support.apple.com/en-us/149230
https://support.apple.com/en-us/149521

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.