CVE-2026-64772: A remote attacker may be able to cause unexpected application termination or heap corruption in Apple iOS and iPadOS
An out-of-bounds write issue was addressed with improved input validation. This issue is fixed in iOS 18.7.10 and iPadOS 18.7.10, 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 (CVE-2026-64772) is an out-of-bounds write flaw in Apple iOS and iPadOS that could be exploited remotely without user interaction or privileges. It may lead to unexpected application termination or heap corruption. Apple fixed the issue by improving input validation in iOS 26.6 and iPadOS 26.6, as well as in related OS versions. No known exploits in the wild have been reported at the time of publication.
Potential Impact
Successful exploitation could result in application crashes or heap corruption, potentially allowing an attacker to disrupt device functionality or execute arbitrary code. The CVSS score of 9.8 reflects a critical severity with high impact on confidentiality, integrity, and availability.
Mitigation Recommendations
A fix is available in iOS 26.6 and iPadOS 26.6. Users and administrators should update affected devices to these versions or later to remediate the vulnerability. Since this is not a cloud service, remediation depends on applying the official OS updates from Apple.
CVE-2026-64772: A remote attacker may be able to cause unexpected application termination or heap corruption in Apple iOS and iPadOS
Description
An out-of-bounds write issue was addressed with improved input validation. This issue is fixed in iOS 18.7.10 and iPadOS 18.7.10, 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
Apple
iOS and iPadOS
Apple
macOS
Apple
tvOS
Apple
visionOS
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-64772) is an out-of-bounds write flaw in Apple iOS and iPadOS that could be exploited remotely without user interaction or privileges. It may lead to unexpected application termination or heap corruption. Apple fixed the issue by improving input validation in iOS 26.6 and iPadOS 26.6, as well as in related OS versions. No known exploits in the wild have been reported at the time of publication.
Potential Impact
Successful exploitation could result in application crashes or heap corruption, potentially allowing an attacker to disrupt device functionality or execute arbitrary code. The CVSS score of 9.8 reflects a critical severity with high impact on confidentiality, integrity, and availability.
Mitigation Recommendations
A fix is available in iOS 26.6 and iPadOS 26.6. Users and administrators should update affected devices to these versions or later to remediate the vulnerability. Since this is not a cloud service, remediation depends on applying the official OS updates from Apple.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- apple
- Date Reserved
- 2026-07-20T18:10:53.025Z
- State
- PUBLISHED
Threat ID: 6a67c1c89c2644c7f8cb15c8
Added to database: 07/27/2026, 20:38:32 UTC
Last enriched: 07/29/2026, 20:22:39 UTC
Last updated: 09/10/2026, 20:02:16 UTC
Views: 63
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