CVE-2026-64719: 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, iOS 18.7.10 and iPadOS 18.7.10, iOS 26.6 and iPadOS 26.6, macOS Tahoe 26.6, tvOS 26.6, visionOS 26.6, watchOS 26.6. Processing maliciously crafted web content may lead to an unexpected Safari crash.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-64719) in Apple Safari is caused by an out-of-bounds access due to insufficient bounds checking when processing certain web content. Exploiting this flaw can lead to an unexpected crash of the Safari browser, impacting availability. Apple fixed the issue by improving bounds checking in Safari 26.6 and related OS releases (iOS, iPadOS, macOS Tahoe, tvOS, visionOS, watchOS 26.6). The CVSS 3.1 base score is 8.1, reflecting network attack vector, low attack complexity, no privileges required, user interaction required, unchanged scope, high confidentiality impact, no integrity impact, and high availability impact.
Potential Impact
Successful exploitation can cause Safari to crash unexpectedly, resulting in denial of service for the user. The vulnerability affects confidentiality as well, per the CVSS vector, but no integrity impact is noted. There are no known exploits in the wild currently.
Mitigation Recommendations
A fix is available in Safari 26.6 and the corresponding OS versions (iOS 26.6, iPadOS 26.6, macOS Tahoe 26.6, tvOS 26.6, visionOS 26.6, watchOS 26.6). Users and administrators should update to these versions to remediate the vulnerability. Patch status is confirmed by the vendor advisory stating the issue is fixed in these versions.
CVE-2026-64719: 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, iOS 18.7.10 and iPadOS 18.7.10, iOS 26.6 and iPadOS 26.6, macOS Tahoe 26.6, tvOS 26.6, visionOS 26.6, watchOS 26.6. Processing maliciously crafted web content may lead to an unexpected Safari crash.
CVSS v3.1
Score 8.1high
Affected software
Apple
Safari
Apple
iOS and iPadOS
Apple
macOS
Apple
tvOS
Apple
visionOS
Apple
watchOS
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-64719) in Apple Safari is caused by an out-of-bounds access due to insufficient bounds checking when processing certain web content. Exploiting this flaw can lead to an unexpected crash of the Safari browser, impacting availability. Apple fixed the issue by improving bounds checking in Safari 26.6 and related OS releases (iOS, iPadOS, macOS Tahoe, tvOS, visionOS, watchOS 26.6). The CVSS 3.1 base score is 8.1, reflecting network attack vector, low attack complexity, no privileges required, user interaction required, unchanged scope, high confidentiality impact, no integrity impact, and high availability impact.
Potential Impact
Successful exploitation can cause Safari to crash unexpectedly, resulting in denial of service for the user. The vulnerability affects confidentiality as well, per the CVSS vector, but no integrity impact is noted. There are no known exploits in the wild currently.
Mitigation Recommendations
A fix is available in Safari 26.6 and the corresponding OS versions (iOS 26.6, iPadOS 26.6, macOS Tahoe 26.6, tvOS 26.6, visionOS 26.6, watchOS 26.6). Users and administrators should update to these versions to remediate the vulnerability. Patch status is confirmed by the vendor advisory stating the issue is fixed in these versions.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- apple
- Date Reserved
- 2026-07-20T18:09:35.084Z
- State
- PUBLISHED
Threat ID: 6a67c1c09c2644c7f8cb1360
Added to database: 07/27/2026, 20:38:24 UTC
Last enriched: 07/29/2026, 23:48:31 UTC
Last updated: 09/11/2026, 22:08:25 UTC
Views: 67
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