Medium severity · published Nov 4, 2025
CVE-2025-43447
The issue was addressed with improved memory handling
5.5
CVSS
0.2%
EPSS
No
On KEV
Description
The issue was addressed with improved memory handling. This issue is fixed in iOS 26.1 and iPadOS 26.1, macOS Tahoe 26.1, visionOS 26.1, watchOS 26.1. An app may be able to cause unexpected system termination or corrupt kernel memory.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 9% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
IO
iOS · Apple
before 26.1 · source: NVD
VI
Visionos · Apple
before 26.1 · source: NVD
WA
Watchos · Apple
before 26.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-43447
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-43447
Release Notes
https://support.apple.com/en-us/125632
support.apple.com
https://support.apple.com/en-us/125634
Release Notes
https://support.apple.com/en-us/125638
Release Notes
https://support.apple.com/en-us/125639
More from iOS
10.0
CVE-2025-43300
Apple iOS, iPadOS, and macOS Out-of-Bounds Write Vulnerability
10.0
CVE-2025-24201
Apple Multiple Products WebKit Out-of-Bounds Write Vulnerability
10.0
CVE-2025-24085
Apple Multiple Products Use-After-Free Vulnerability
9.8
CVE-2025-31200
Apple Multiple Products Memory Corruption Vulnerability
9.8
CVE-2025-31201
Apple Multiple Products Arbitrary Read and Write Vulnerability