Critical severity · published Jul 28, 2023
CVE-2023-36495
An integer overflow was addressed with improved input validation
9.8
CVSS
1.3%
EPSS
No
On KEV
Description
An integer overflow was addressed with improved input validation. This issue is fixed in watchOS 9.6, macOS Monterey 12.6.8, iOS 15.7.8 and iPadOS 15.7.8, tvOS 16.6, iOS 16.6 and iPadOS 16.6, macOS Ventura 13.5. An app may be able to execute arbitrary code with kernel privileges.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.3% · higher than 70% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
IO
iOS · Apple
before 15.7.8; 16.0 before 16.6 · source: NVD
MA
macOS · Apple
12.0 before 12.6.8; 13.0 before 13.5 · source: NVD
TV
Tvos · Apple
before 16.6 · source: NVD
WA
Watchos · Apple
before 9.6 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-36495
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-36495
Vendor Advisory
https://support.apple.com/en-us/HT213841
Vendor Advisory
https://support.apple.com/en-us/HT213842
Vendor Advisory
https://support.apple.com/en-us/HT213843
Vendor Advisory
https://support.apple.com/en-us/HT213844
Vendor Advisory
https://support.apple.com/en-us/HT213846
Vendor Advisory
https://support.apple.com/en-us/HT213848
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