Use-After-Free Vulnerability in Safari and Apple Operating Systems
CVE-2026-112637

8.8HIGH

Key Information:

Vendor

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

What is CVE-2026-112637?

This vulnerability arises from improper memory management that allows a use-after-free condition in multiple Apple products. An attacker crafting malicious web content could exploit this flaw to execute arbitrary code on the victim's device. Users are urged to update to the latest versions of Safari and relevant operating systems to mitigate the risks associated with this vulnerability.

Affected Version(s)

iOS and iPadOS 0 < 27.2

macOS 0 < 27.2

Safari 0 < 27.2

References

https://support.apple.com/en-us/149230
https://support.apple.com/en-us/149521
https://support.apple.com/en-us/149524

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

.