CVE-2026-64788: Processing maliciously crafted web content may lead to memory corruption in Apple iOS and iPadOS
The issue was addressed with improved memory handling. This issue is fixed in iOS 26.6.1 and iPadOS 26.6.1, macOS Tahoe 26.6.2, visionOS 27, watchOS 27. Processing maliciously crafted web content may lead to memory corruption.
AI Analysis
Technical Summary
CVE-2026-64788 is a vulnerability in Apple iOS and iPadOS where processing maliciously crafted web content may cause memory corruption. The flaw is due to improper memory handling, classified under CWE-119. Apple fixed this issue by improving memory management in versions iOS 26.6.1, iPadOS 26.6.1, macOS Tahoe 26.6.2, visionOS 27, and watchOS 27. The CVSS v3.1 base score is 5.4, indicating a medium severity with network attack vector, low attack complexity, no privileges required, user interaction required, and impacts on confidentiality and integrity but not availability.
Potential Impact
Successful exploitation could lead to memory corruption, potentially allowing an attacker to compromise confidentiality and integrity of the affected system. There is no indication of availability impact. No known exploits are reported in the wild at this time.
Mitigation Recommendations
Apply the official fixes by updating to iOS 26.6.1, iPadOS 26.6.1, macOS Tahoe 26.6.2, visionOS 27, or watchOS 27 as appropriate. These updates include improved memory handling that resolves the vulnerability.
CVE-2026-64788: Processing maliciously crafted web content may lead to memory corruption in Apple iOS and iPadOS
Description
The issue was addressed with improved memory handling. This issue is fixed in iOS 26.6.1 and iPadOS 26.6.1, macOS Tahoe 26.6.2, visionOS 27, watchOS 27. Processing maliciously crafted web content may lead to memory corruption.
CVSS v3.1
Score 5.4medium
Affected software
Apple
iOS and iPadOS
Apple
macOS
Apple
visionOS
Apple
watchOS
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-64788 is a vulnerability in Apple iOS and iPadOS where processing maliciously crafted web content may cause memory corruption. The flaw is due to improper memory handling, classified under CWE-119. Apple fixed this issue by improving memory management in versions iOS 26.6.1, iPadOS 26.6.1, macOS Tahoe 26.6.2, visionOS 27, and watchOS 27. The CVSS v3.1 base score is 5.4, indicating a medium severity with network attack vector, low attack complexity, no privileges required, user interaction required, and impacts on confidentiality and integrity but not availability.
Potential Impact
Successful exploitation could lead to memory corruption, potentially allowing an attacker to compromise confidentiality and integrity of the affected system. There is no indication of availability impact. No known exploits are reported in the wild at this time.
Mitigation Recommendations
Apply the official fixes by updating to iOS 26.6.1, iPadOS 26.6.1, macOS Tahoe 26.6.2, visionOS 27, or watchOS 27 as appropriate. These updates include improved memory handling that resolves the vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- apple
- Date Reserved
- 2026-07-20T18:11:03.398Z
- State
- PUBLISHED
Threat ID: 6a838034bf8831d5399e5e17
Added to database: 08/17/2026, 21:42:12 UTC
Last enriched: 09/19/2026, 00:51:46 UTC
Last updated: 10/02/2026, 02:46:05 UTC
Views: 51
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