Use-After-Free Vulnerability in Apple Safari and iOS Products
CVE-2026-43715

8.8HIGH

Key Information:

Vendor

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

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-43715?

A use-after-free vulnerability was identified in Apple’s Safari browser and iOS platforms, which could allow attackers to craft malicious web content that may result in memory corruption. This vulnerability has been addressed with enhanced memory management protocols in versions 26.5.2 of Safari, iOS, iPadOS, and macOS Tahoe. Users are encouraged to update their software to the latest versions to mitigate potential risks associated with this vulnerability.

Affected Version(s)

iOS and iPadOS 0 < 26.5.2

iOS and iPadOS 0 < 26.7

macOS 0 < 26.5.2

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

SWITCH2-WEBKIT-JAILBREAK
Created by Jmesmykil

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:
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

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

.