Use-After-Free Vulnerability in Safari and Apple Operating Systems
CVE-2026-43726

6.5MEDIUM

Key Information:

Vendor

Apple
Status
Safari
iOS And iPad OS
Mac OS
Vendor
CVE Published:
29 June 2026

What is CVE-2026-43726?

A use-after-free vulnerability has been detected that could be exploited through maliciously crafted web content in Safari and Apple operating systems. This flaw, dependent on memory mismanagement, can potentially lead to unexpected application crashes when certain conditions are met. The issue has been remediated in the latest updates to Safari, iOS, iPadOS, and macOS Tahoe, enhancing the security posture against such attacks.

Affected Version(s)

iOS and iPadOS 0 < 26.5.2

macOS 0 < 26.5.2

Safari 0 < 26.5.2

References

https://support.apple.com/en-us/127594
https://support.apple.com/en-us/127595
https://support.apple.com/en-us/127685

CVSS V3.1

Score:
6.5
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

.