High severity · published Nov 4, 2025
CVE-2025-43419
The issue was addressed with improved memory handling
8.8
CVSS
0.4%
EPSS
No
On KEV
Description
The issue was addressed with improved memory handling. This issue is fixed in Safari 26, iOS 26 and iPadOS 26, macOS Tahoe 26, tvOS 26, visionOS 26, watchOS 26. Processing maliciously crafted web content may lead to memory corruption.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 34% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
IO
iOS · Apple
before 26.0 · source: NVD
SA
Safari · Apple
before 26.0 · source: NVD
TV
Tvos · Apple
before 26.0 · source: NVD
VI
Visionos · Apple
before 26.0 · source: NVD
WA
Watchos · Apple
before 26.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-43419
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-43419
Release Notes
https://support.apple.com/en-us/125108
support.apple.com
https://support.apple.com/en-us/125110
Release Notes
https://support.apple.com/en-us/125113
Release Notes
https://support.apple.com/en-us/125114
Release Notes
https://support.apple.com/en-us/125115
Release Notes
https://support.apple.com/en-us/125116
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