An out-of-bounds write issue was addressed with improved bounds checking. (CVE-2026-64764)
CVE-2026-64764 is an out-of-bounds write vulnerability that was addressed by improved bounds checking in multiple Apple operating systems. Processing a maliciously crafted file could cause unexpected application termination or allow arbitrary code execution. The issue is fixed in iOS 26.6, iPadOS 26.6, macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6, tvOS 26.6, visionOS 26.6, and watchOS 26.6.
AI Analysis
Technical Summary
This vulnerability involves an out-of-bounds write (CWE-787) that could be triggered by processing a maliciously crafted file, potentially leading to unexpected app termination or arbitrary code execution. The flaw was mitigated by improved bounds checking in the specified Apple OS versions. The CVSS v3.1 score is 7.8, indicating high severity with attack vector local, low attack complexity, no privileges required, user interaction required, and high impact on confidentiality, integrity, and availability.
Potential Impact
Successful exploitation may result in arbitrary code execution or application crashes, impacting confidentiality, integrity, and availability of affected systems. The vulnerability requires local access and user interaction to exploit.
Mitigation Recommendations
A fix is available and included in iOS 26.6, iPadOS 26.6, macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6, tvOS 26.6, visionOS 26.6, and watchOS 26.6. Users and administrators should update to these versions to remediate the vulnerability.
An out-of-bounds write issue was addressed with improved bounds checking. (CVE-2026-64764)
Description
CVE-2026-64764 is an out-of-bounds write vulnerability that was addressed by improved bounds checking in multiple Apple operating systems. Processing a maliciously crafted file could cause unexpected application termination or allow arbitrary code execution. The issue is fixed in iOS 26.6, iPadOS 26.6, macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6, tvOS 26.6, visionOS 26.6, and watchOS 26.6.
CVSS v3.1
Score 7.8high
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves an out-of-bounds write (CWE-787) that could be triggered by processing a maliciously crafted file, potentially leading to unexpected app termination or arbitrary code execution. The flaw was mitigated by improved bounds checking in the specified Apple OS versions. The CVSS v3.1 score is 7.8, indicating high severity with attack vector local, low attack complexity, no privileges required, user interaction required, and high impact on confidentiality, integrity, and availability.
Potential Impact
Successful exploitation may result in arbitrary code execution or application crashes, impacting confidentiality, integrity, and availability of affected systems. The vulnerability requires local access and user interaction to exploit.
Mitigation Recommendations
A fix is available and included in iOS 26.6, iPadOS 26.6, macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6, tvOS 26.6, visionOS 26.6, and watchOS 26.6. Users and administrators should update to these versions to remediate the vulnerability.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-7q9p-92ww-967q
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-64764"]
- Ecosystems
- []
- Database Specific Severity
- HIGH
- Cvss Version
- 3.1
Threat ID: 6a83aa74bf8831d539e31f12
Added to database: 08/18/2026, 00:42:28 UTC
Last enriched: 08/18/2026, 01:11:22 UTC
Last updated: 08/18/2026, 01:53:07 UTC
Views: 3
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