CVE-2026-43726: Processing maliciously crafted web content may lead to an unexpected process crash in Apple Safari
A use-after-free issue was addressed with improved memory management. This issue is fixed in Safari 26.5.2, iOS 26.5.2 and iPadOS 26.5.2, macOS Tahoe 26.5.2. Processing maliciously crafted web content may lead to an unexpected process crash.
AI Analysis
Technical Summary
This vulnerability involves a use-after-free condition in Apple Safari, which can be triggered by processing specially crafted web content, leading to an unexpected process crash. The issue was resolved through improved memory management and fixed in Safari 26.5.2 and corresponding OS versions. No CVSS score is provided, and there is no indication of exploitation in the wild.
Potential Impact
Exploitation of this vulnerability may cause Safari to crash unexpectedly, potentially disrupting user activity. There is no information indicating further impact such as code execution or data leakage.
Mitigation Recommendations
A fix is available in Safari 26.5.2, iOS 26.5.2, iPadOS 26.5.2, and macOS Tahoe 26.5.2. Users and administrators should update to these versions to remediate the vulnerability.
CVE-2026-43726: Processing maliciously crafted web content may lead to an unexpected process crash in Apple Safari
Description
A use-after-free issue was addressed with improved memory management. This issue is fixed in Safari 26.5.2, iOS 26.5.2 and iPadOS 26.5.2, macOS Tahoe 26.5.2. Processing maliciously crafted web content may lead to an unexpected process crash.
CVSS v3.1
Score 6.5medium
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves a use-after-free condition in Apple Safari, which can be triggered by processing specially crafted web content, leading to an unexpected process crash. The issue was resolved through improved memory management and fixed in Safari 26.5.2 and corresponding OS versions. No CVSS score is provided, and there is no indication of exploitation in the wild.
Potential Impact
Exploitation of this vulnerability may cause Safari to crash unexpectedly, potentially disrupting user activity. There is no information indicating further impact such as code execution or data leakage.
Mitigation Recommendations
A fix is available in Safari 26.5.2, iOS 26.5.2, iPadOS 26.5.2, and macOS Tahoe 26.5.2. Users and administrators should update to these versions to remediate the vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- apple
- Date Reserved
- 2026-05-01T22:46:21.645Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a42d3d427e9c7971972d144
Added to database: 06/29/2026, 20:21:40 UTC
Last enriched: 06/29/2026, 20:37:21 UTC
Last updated: 06/29/2026, 22:06:43 UTC
Views: 2
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