Description
The issue was addressed with improved memory handling. This issue is fixed in Safari 26.1, iOS 18.7.2 and iPadOS 18.7.2, iOS 26.1 and iPadOS 26.1, macOS Tahoe 26.1, tvOS 26.1, visionOS 26.1, watchOS 26.1. Processing maliciously crafted web content may lead to memory corruption.
Affected products
apple: safari; apple: ipados; apple: iphone os; apple: tvos; apple: visionos; apple: watchos
References10
- support.apple.com/en-us/125632
- support.apple.com/en-us/125633
- support.apple.com/en-us/125634
- support.apple.com/en-us/125637
- support.apple.com/en-us/125638
- support.apple.com/en-us/125639
- support.apple.com/en-us/125640
- access.redhat.com/errata/RHSA-2025:22789
- access.redhat.com/errata/RHSA-2025:22790
- access.redhat.com/security/cve/CVE-2025-43433
Metrics
- CVSS 3.1
-
8.8
HIGH
Score source: CNA
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - EPSS — exploit probability
- 1% percentile: 68 · as of 10 November 2026
- CWE
- CWE-787CWE-119CWE-120
Could this be exploited in your environment?
A patch closes the known hole. A penetration test shows what an attacker can still reach — with proof.