CVE-2026-64784: Processing maliciously crafted web content may lead to an unexpected Safari crash in Apple Safari
An out-of-bounds access issue was addressed with improved bounds checking. This issue is fixed in Safari 26.6.1, iOS 18.7.10 and iPadOS 18.7.10, iOS 26.6.1 and iPadOS 26.6.1, macOS Tahoe 26.6.2, visionOS 27. Processing maliciously crafted web content may lead to an unexpected Safari crash.
AI Analysis
Technical Summary
This vulnerability involves an out-of-bounds access in Apple Safari that may lead to an unexpected crash when processing specially crafted web content. The flaw was addressed by implementing improved bounds checking. The fix is included in Safari 26.6.1, iOS 18.7.10, iPadOS 18.7.10, macOS Tahoe 26.6.2, and visionOS 27. The CVSS score is 4.3, indicating a medium severity impact primarily affecting availability due to potential crashes. There are no known exploits in the wild.
Potential Impact
Successful exploitation of this vulnerability can cause Safari to crash unexpectedly, impacting availability. There is no indication of confidentiality or integrity compromise. No active exploitation has been reported.
Mitigation Recommendations
Apply the official fixes by updating Safari to version 26.6.1 or later and the corresponding OS updates: iOS 18.7.10, iPadOS 18.7.10, macOS Tahoe 26.6.2, and visionOS 27. These updates contain improved bounds checking that resolve the out-of-bounds access issue.
CVE-2026-64784: Processing maliciously crafted web content may lead to an unexpected Safari crash in Apple Safari
Description
An out-of-bounds access issue was addressed with improved bounds checking. This issue is fixed in Safari 26.6.1, iOS 18.7.10 and iPadOS 18.7.10, iOS 26.6.1 and iPadOS 26.6.1, macOS Tahoe 26.6.2, visionOS 27. Processing maliciously crafted web content may lead to an unexpected Safari crash.
CVSS v3.1
Score 4.3medium
Affected software
Apple
Safari
Apple
iOS and iPadOS
Apple
macOS
Apple
visionOS
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves an out-of-bounds access in Apple Safari that may lead to an unexpected crash when processing specially crafted web content. The flaw was addressed by implementing improved bounds checking. The fix is included in Safari 26.6.1, iOS 18.7.10, iPadOS 18.7.10, macOS Tahoe 26.6.2, and visionOS 27. The CVSS score is 4.3, indicating a medium severity impact primarily affecting availability due to potential crashes. There are no known exploits in the wild.
Potential Impact
Successful exploitation of this vulnerability can cause Safari to crash unexpectedly, impacting availability. There is no indication of confidentiality or integrity compromise. No active exploitation has been reported.
Mitigation Recommendations
Apply the official fixes by updating Safari to version 26.6.1 or later and the corresponding OS updates: iOS 18.7.10, iPadOS 18.7.10, macOS Tahoe 26.6.2, and visionOS 27. These updates contain improved bounds checking that resolve the out-of-bounds access issue.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- apple
- Date Reserved
- 2026-07-20T18:11:03.397Z
- State
- PUBLISHED
Threat ID: 6a838034bf8831d5399e5e0e
Added to database: 08/17/2026, 21:42:12 UTC
Last enriched: 09/19/2026, 00:51:33 UTC
Last updated: 10/02/2026, 03:17:19 UTC
Views: 52
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