CVE-2026-64769: 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 bounds checking. 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 Sonoma 14.8.8, 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-2026-64769) involves an out-of-bounds write due to insufficient bounds checking in Apple iOS and iPadOS. Exploitation by a remote attacker could lead to application crashes or heap corruption, potentially enabling further impact. The issue has been addressed by Apple with improved bounds checking and fixed in iOS 26.6 and iPadOS 26.6, among other Apple OS versions. The CVSS 3.1 base score is 9.8, reflecting critical severity with high confidentiality, integrity, and availability impacts.
Potential Impact
A remote attacker can exploit this vulnerability to cause unexpected application termination or heap corruption on affected Apple devices. This may lead to denial of service or potentially enable further exploitation depending on the application context. The vulnerability affects confidentiality, integrity, and availability as indicated by the CVSS vector.
Mitigation Recommendations
Apple has released official fixes for this vulnerability in iOS 26.6 and iPadOS 26.6, as well as in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6, tvOS 26.6, and visionOS 26.6. Users and administrators should update to these fixed versions to remediate the issue. Patch status is confirmed by the vendor advisory. No additional mitigation steps are indicated.
CVE-2026-64769: 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 bounds checking. 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 Sonoma 14.8.8, 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-2026-64769) involves an out-of-bounds write due to insufficient bounds checking in Apple iOS and iPadOS. Exploitation by a remote attacker could lead to application crashes or heap corruption, potentially enabling further impact. The issue has been addressed by Apple with improved bounds checking and fixed in iOS 26.6 and iPadOS 26.6, among other Apple OS versions. The CVSS 3.1 base score is 9.8, reflecting critical severity with high confidentiality, integrity, and availability impacts.
Potential Impact
A remote attacker can exploit this vulnerability to cause unexpected application termination or heap corruption on affected Apple devices. This may lead to denial of service or potentially enable further exploitation depending on the application context. The vulnerability affects confidentiality, integrity, and availability as indicated by the CVSS vector.
Mitigation Recommendations
Apple has released official fixes for this vulnerability in iOS 26.6 and iPadOS 26.6, as well as in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6, tvOS 26.6, and visionOS 26.6. Users and administrators should update to these fixed versions to remediate the issue. Patch status is confirmed by the vendor advisory. No additional mitigation steps are indicated.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- apple
- Date Reserved
- 2026-07-20T18:10:43.924Z
- State
- PUBLISHED
Threat ID: 6a67c1c79c2644c7f8cb1561
Added to database: 07/27/2026, 20:38:31 UTC
Last enriched: 07/29/2026, 20:23:06 UTC
Last updated: 09/10/2026, 20:02:24 UTC
Views: 70
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