An integer overflow was addressed with improved input validation. (CVE-2026-65346)
CVE-2026-65346 is an integer overflow vulnerability in Apple operating systems that was addressed with improved input validation. The flaw could be triggered by processing a malicious image, potentially leading to arbitrary code execution. This vulnerability affects multiple Apple platforms including iOS, iPadOS, macOS Sequoia, macOS Tahoe, tvOS, visionOS, and watchOS. The issue is fixed in iOS 26.6.1, iPadOS 26.6.1, macOS Sequoia 15.8, macOS Tahoe 26.6.2, tvOS 27, visionOS 27, and watchOS 27. The vulnerability has a high severity rating with a CVSS score of 8.8. No known exploits in the wild have been reported.
AI Analysis
Technical Summary
An integer overflow vulnerability identified as CVE-2026-65346 was mitigated by improved input validation in Apple operating systems. The vulnerability could be exploited by processing a specially crafted image, which may lead to arbitrary code execution on affected devices. The flaw impacts multiple Apple OS versions prior to the patched releases. The CVSS v3.1 score of 8.8 indicates a high severity with network attack vector, low attack complexity, no privileges required, user interaction required, and high impact on confidentiality, integrity, and availability. The vendor has released official fixes in iOS 26.6.1, iPadOS 26.6.1, macOS Sequoia 15.8, macOS Tahoe 26.6.2, tvOS 27, visionOS 27, and watchOS 27.
Potential Impact
Successful exploitation of this integer overflow vulnerability could allow an attacker to execute arbitrary code on the affected system by processing a malicious image. This could lead to full compromise of confidentiality, integrity, and availability of the device. The vulnerability is rated high severity with a CVSS score of 8.8. No active exploitation in the wild has been reported to date.
Mitigation Recommendations
Apply the official patches released by Apple: update to iOS 26.6.1, iPadOS 26.6.1, macOS Sequoia 15.8, macOS Tahoe 26.6.2, tvOS 27, visionOS 27, and watchOS 27. These updates include improved input validation that addresses the integer overflow vulnerability. No additional mitigation steps are indicated by the vendor advisory.
An integer overflow was addressed with improved input validation. (CVE-2026-65346)
Description
CVE-2026-65346 is an integer overflow vulnerability in Apple operating systems that was addressed with improved input validation. The flaw could be triggered by processing a malicious image, potentially leading to arbitrary code execution. This vulnerability affects multiple Apple platforms including iOS, iPadOS, macOS Sequoia, macOS Tahoe, tvOS, visionOS, and watchOS. The issue is fixed in iOS 26.6.1, iPadOS 26.6.1, macOS Sequoia 15.8, macOS Tahoe 26.6.2, tvOS 27, visionOS 27, and watchOS 27. The vulnerability has a high severity rating with a CVSS score of 8.8. No known exploits in the wild have been reported.
CVSS v3.1
Score 8.8high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
An integer overflow vulnerability identified as CVE-2026-65346 was mitigated by improved input validation in Apple operating systems. The vulnerability could be exploited by processing a specially crafted image, which may lead to arbitrary code execution on affected devices. The flaw impacts multiple Apple OS versions prior to the patched releases. The CVSS v3.1 score of 8.8 indicates a high severity with network attack vector, low attack complexity, no privileges required, user interaction required, and high impact on confidentiality, integrity, and availability. The vendor has released official fixes in iOS 26.6.1, iPadOS 26.6.1, macOS Sequoia 15.8, macOS Tahoe 26.6.2, tvOS 27, visionOS 27, and watchOS 27.
Potential Impact
Successful exploitation of this integer overflow vulnerability could allow an attacker to execute arbitrary code on the affected system by processing a malicious image. This could lead to full compromise of confidentiality, integrity, and availability of the device. The vulnerability is rated high severity with a CVSS score of 8.8. No active exploitation in the wild has been reported to date.
Mitigation Recommendations
Apply the official patches released by Apple: update to iOS 26.6.1, iPadOS 26.6.1, macOS Sequoia 15.8, macOS Tahoe 26.6.2, tvOS 27, visionOS 27, and watchOS 27. These updates include improved input validation that addresses the integer overflow vulnerability. No additional mitigation steps are indicated by the vendor advisory.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-w35v-gcq3-jj3p
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-65346"]
Threat ID: 6a83aa68bf8831d539e30f45
Added to database: 08/18/2026, 00:42:16 UTC
Last enriched: 09/19/2026, 22:16:42 UTC
Last updated: 10/01/2026, 14:51:09 UTC
Views: 45
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