High severity · published Jun 23, 2023
CVE-2023-32434
Apple Multiple Products Integer Overflow Vulnerability
In wildKEV
7.8
CVSS
51.5%
EPSS
Yes
On KEV
Description
An integer overflow was addressed with improved input validation. This issue is fixed in watchOS 9.5.2, macOS Big Sur 11.7.8, iOS 15.7.7 and iPadOS 15.7.7, macOS Monterey 12.6.7, watchOS 8.8.1, iOS 16.5.1 and iPadOS 16.5.1, macOS Ventura 13.4.1. An app may be able to execute arbitrary code with kernel privileges. Apple is aware of a report that this issue may have been actively exploited against versions of iOS released before iOS 15.7.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)51.5% · higher than 99% of CVEs
Exploited in the wildYes
CISA KEVListed Jun 23, 2023
Federal remediation dueJul 14, 2023
Ransomware campaign useNot known
Affected products
Which versions
MA
macOS · Apple
before 12.6; before 13.4; before 11.7 · source: vendor, NVD
IO
iOS · Apple
before 15.7.7; 16.0 before 16.5.1 · source: NVD
IA
iOS and iPadOS · Apple
before 15.7; before 16.5 · source: vendor
WA
watchOS · Apple
before 8.8; before 9.5 · source: vendor, NVD
MP
Multiple Products · Apple
All versions, or not specified · source: KEV
In the news
ThreatIntelHigh
Coruna: the framework used in Operation Triangulation
Kaspersky GReAT experts look into the Coruna exploit kit targeting iPhones. We discovered that the kernel exploit for CVE-2023-32434 and CVE-2023-38606 is an updated version of the Operation Triangulation exploit.
Mar 26, 2026·SecureList (Kaspersky)
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-32434
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-32434
CISA KEV catalogue
https://www.cisa.gov/known-exploited-vulnerabilities-catalog
support.apple.com
https://support.apple.com/en-us/HT213810
support.apple.com
https://support.apple.com/en-us/HT213811
support.apple.com
https://support.apple.com/en-us/HT213814
support.apple.com
https://support.apple.com/en-us/HT213808
support.apple.com
https://support.apple.com/en-us/HT213812
support.apple.com
https://support.apple.com/en-us/HT213813
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