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WebKit EUVD-2026-29224

| CVE-2026-28883 HIGH
Use After Free (CWE-416)
2026-05-11 apple GHSA-hwcr-g58m-97q5
7.5
CVSS 3.1
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CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None

Lifecycle Timeline

5
Analysis Generated
May 12, 2026 - 14:23 vuln.today
CVSS changed
May 12, 2026 - 14:22 NVD
7.5 (HIGH)
Patch available
May 11, 2026 - 22:03 EUVD
CVE Published
May 11, 2026 - 20:08 nvd
UNKNOWN (no severity yet)
CVE Published
May 11, 2026 - 20:08 nvd
HIGH 7.5

DescriptionNVD

A use-after-free issue was addressed with improved memory management. 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 process crash.

AnalysisAI

Use-after-free in WebKit across Apple's entire operating system ecosystem enables remote information disclosure via malicious web content. Affects iOS/iPadOS, macOS Tahoe, tvOS, visionOS, and watchOS versions prior to 26.5. …

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RemediationAI

Within 24 hours: Identify and inventory all Apple devices in your environment running affected OS versions (iOS/iPadOS/macOS/tvOS/visionOS/watchOS prior to version 26.5) and restrict web browsing on high-sensitivity systems if patching cannot be completed immediately. Within 7 days: Deploy vendor-released patch to all Apple devices-update to iOS 26.5+, iPadOS 26.5+, macOS Tahoe 26.5+, tvOS 26.5+, visionOS 26.5+, and watchOS 26.5+. …

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EUVD-2026-29224 vulnerability details – vuln.today

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