CVE-2026-43715: Processing maliciously crafted web content may lead to memory corruption 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, tvOS 26.6, visionOS 26.6, watchOS 26.6. Processing maliciously crafted web content may lead to memory corruption.
AI Analysis
Technical Summary
This vulnerability involves a use-after-free condition in Apple Safari's handling of web content, which may lead to memory corruption. The flaw was resolved by improving memory management in Safari 26.5.2, iOS 26.5.2, iPadOS 26.5.2, macOS Tahoe 26.5.2, tvOS 26.6, visionOS 26.6, and watchOS 26.6. Exploitation requires user interaction (UI:R) and can result in high impact on confidentiality, integrity, and availability (C:H/I:H/A:H).
Potential Impact
Successful exploitation of this vulnerability can lead to memory corruption, potentially allowing an attacker to execute arbitrary code or cause a denial of service. The CVSS score of 8.8 reflects a high impact on confidentiality, integrity, and availability. No known exploits are reported in the wild at this time.
Mitigation Recommendations
A fix is available in Safari 26.5.2 and the corresponding OS versions (iOS 26.5.2, iPadOS 26.5.2, macOS Tahoe 26.5.2, tvOS 26.6, visionOS 26.6, watchOS 26.6). Users and administrators should update affected Safari browsers and operating systems to these versions or later to remediate the vulnerability.
CVE-2026-43715: Processing maliciously crafted web content may lead to memory corruption 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, tvOS 26.6, visionOS 26.6, watchOS 26.6. Processing maliciously crafted web content may lead to memory corruption.
CVSS v3.1
Score 8.8high
Affected software
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Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves a use-after-free condition in Apple Safari's handling of web content, which may lead to memory corruption. The flaw was resolved by improving memory management in Safari 26.5.2, iOS 26.5.2, iPadOS 26.5.2, macOS Tahoe 26.5.2, tvOS 26.6, visionOS 26.6, and watchOS 26.6. Exploitation requires user interaction (UI:R) and can result in high impact on confidentiality, integrity, and availability (C:H/I:H/A:H).
Potential Impact
Successful exploitation of this vulnerability can lead to memory corruption, potentially allowing an attacker to execute arbitrary code or cause a denial of service. The CVSS score of 8.8 reflects a high impact on confidentiality, integrity, and availability. No known exploits are reported in the wild at this time.
Mitigation Recommendations
A fix is available in Safari 26.5.2 and the corresponding OS versions (iOS 26.5.2, iPadOS 26.5.2, macOS Tahoe 26.5.2, tvOS 26.6, visionOS 26.6, watchOS 26.6). Users and administrators should update affected Safari browsers and operating systems to these versions or later to remediate the vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- apple
- Date Reserved
- 2026-05-01T22:46:21.644Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a42d3d327e9c7971972d065
Added to database: 06/29/2026, 20:21:39 UTC
Last enriched: 07/30/2026, 00:55:49 UTC
Last updated: 08/11/2026, 12:41:10 UTC
Views: 75
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