An out-of-bounds write issue was addressed with improved input validation. (CVE-2026-64772)
An out-of-bounds write issue was addressed with improved input validation. This issue is fixed in iOS 26.6 and iPadOS 26.6, macOS Sequoia 15.7.8, macOS Tahoe 26.6, tvOS 26.6, visionOS 26.6. A remote attacker may be able to cause unexpected application termination or heap corruption.
AI Analysis
Technical Summary
This vulnerability involves an out-of-bounds write condition that was remediated through improved input validation. It allows a remote attacker to potentially cause denial of service via application crashes or heap corruption. The vulnerability is tracked as CWE-787. The fix is included in the specified updated versions of Apple operating systems. The CVSS 3.1 vector indicates a critical severity with network attack vector, low attack complexity, no privileges or user interaction required, and high impact on confidentiality, integrity, and availability.
Potential Impact
Successful exploitation can lead to unexpected application termination or heap corruption, which may result in denial of service or potentially enable further compromise depending on the application context. The impact is rated critical due to the high confidentiality, integrity, and availability impacts as per the CVSS vector.
Mitigation Recommendations
A fix is available and included in iOS 26.6, iPadOS 26.6, macOS Sequoia 15.7.8, macOS Tahoe 26.6, tvOS 26.6, and visionOS 26.6. Users and administrators should apply these updates to remediate the vulnerability. No additional mitigation steps are indicated beyond applying the official patches.
An out-of-bounds write issue was addressed with improved input validation. (CVE-2026-64772)
Description
An out-of-bounds write issue was addressed with improved input validation. This issue is fixed in iOS 26.6 and iPadOS 26.6, macOS Sequoia 15.7.8, macOS Tahoe 26.6, tvOS 26.6, visionOS 26.6. A remote attacker may be able to cause unexpected application termination or heap corruption.
CVSS v3.1
Score 9.8critical
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves an out-of-bounds write condition that was remediated through improved input validation. It allows a remote attacker to potentially cause denial of service via application crashes or heap corruption. The vulnerability is tracked as CWE-787. The fix is included in the specified updated versions of Apple operating systems. The CVSS 3.1 vector indicates a critical severity with network attack vector, low attack complexity, no privileges or user interaction required, and high impact on confidentiality, integrity, and availability.
Potential Impact
Successful exploitation can lead to unexpected application termination or heap corruption, which may result in denial of service or potentially enable further compromise depending on the application context. The impact is rated critical due to the high confidentiality, integrity, and availability impacts as per the CVSS vector.
Mitigation Recommendations
A fix is available and included in iOS 26.6, iPadOS 26.6, macOS Sequoia 15.7.8, macOS Tahoe 26.6, tvOS 26.6, and visionOS 26.6. Users and administrators should apply these updates to remediate the vulnerability. No additional mitigation steps are indicated beyond applying the official patches.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-m8xf-2j7q-p4qj
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-64772"]
- Database Specific Severity
- CRITICAL
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6a6940359c2644c7f866a880
Added to database: 07/28/2026, 23:50:13 UTC
Last enriched: 07/29/2026, 11:38:05 UTC
Last updated: 09/10/2026, 20:02:16 UTC
Views: 89
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