EUVD-2026-29303
GHSA-gc3p-ph3x-xqq6
CVSS VectorNVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Lifecycle Timeline
5DescriptionNVD
The issue was addressed with improved memory handling. This issue is fixed in iOS 26.5 and iPadOS 26.5, macOS Tahoe 26.5, tvOS 26.5, visionOS 26.5, watchOS 26.5. Processing maliciously crafted web content may lead to an unexpected Safari crash.
AnalysisAI
Memory corruption in Safari's WebKit engine across all Apple platforms allows remote attackers to trigger information disclosure via maliciously crafted web content delivered through network-accessible attack vectors requiring no authentication or user interaction. Despite the vendor description focusing on crash scenarios, the CVSS vector (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N) indicates high confidentiality impact with no availability impact, suggesting potential memory disclosure rather than denial of service. …
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RemediationAI
Within 24 hours: Identify and inventory all Apple devices running iOS, iPadOS, macOS, tvOS, visionOS, and watchOS versions prior to 26.5 across corporate and BYOD environments. Within 7 days: Deploy OS updates to versions iOS/iPadOS 26.5, macOS Tahoe 26.5, tvOS 26.5, visionOS 26.5, and watchOS 26.5 through your mobile device management (MDM) platform and macOS patch management tooling; prioritize macOS and iOS devices with elevated access or frequent web browsing. …
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External POC / Exploit Code
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