CVE-2026-64781: Processing maliciously crafted web content may lead to an unexpected Safari crash in Apple Safari
The issue was addressed with improved input validation. 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
CVE-2026-64781 describes a vulnerability in Apple Safari where processing maliciously crafted web content may lead to an unexpected crash of the browser. The root cause relates to insufficient input validation. Apple fixed this issue by improving input validation in Safari 26.6.1 and related OS versions including iOS 18.7.10, iPadOS 18.7.10, iOS 26.6.1, iPadOS 26.6.1, macOS Tahoe 26.6.2, and visionOS 27.
Potential Impact
Successful exploitation results in an unexpected crash of Safari, causing denial of service to the user. There is no indication of confidentiality or integrity impact. The CVSS score of 4.3 reflects a medium severity denial of service vulnerability with network attack vector, low complexity, no privileges required, and user interaction needed.
Mitigation Recommendations
Apply the official fixes by updating Safari to version 26.6.1 or later and updating iOS, iPadOS, macOS Tahoe, and visionOS to the specified fixed versions. These updates include improved input validation that addresses the vulnerability.
CVE-2026-64781: Processing maliciously crafted web content may lead to an unexpected Safari crash in Apple Safari
Description
The issue was addressed with improved input validation. 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
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-64781 describes a vulnerability in Apple Safari where processing maliciously crafted web content may lead to an unexpected crash of the browser. The root cause relates to insufficient input validation. Apple fixed this issue by improving input validation in Safari 26.6.1 and related OS versions including iOS 18.7.10, iPadOS 18.7.10, iOS 26.6.1, iPadOS 26.6.1, macOS Tahoe 26.6.2, and visionOS 27.
Potential Impact
Successful exploitation results in an unexpected crash of Safari, causing denial of service to the user. There is no indication of confidentiality or integrity impact. The CVSS score of 4.3 reflects a medium severity denial of service vulnerability with network attack vector, low complexity, no privileges required, and user interaction needed.
Mitigation Recommendations
Apply the official fixes by updating Safari to version 26.6.1 or later and updating iOS, iPadOS, macOS Tahoe, and visionOS to the specified fixed versions. These updates include improved input validation that addresses the vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- apple
- Date Reserved
- 2026-07-20T18:11:03.397Z
- State
- PUBLISHED
Threat ID: 6a838034bf8831d5399e5e04
Added to database: 08/17/2026, 21:42:12 UTC
Last enriched: 09/19/2026, 00:51:29 UTC
Last updated: 10/02/2026, 02:46:05 UTC
Views: 51
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