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Safari CVE-2026-64718

| EUVDEUVD-2026-49618 MEDIUM
Use After Free (CWE-416)
2026-07-27 apple GHSA-88p9-qfjf-25c5
Denial Of Service Use After Free Memory Corruption Apple Red Hat Tvos Visionos Watchos Ios And Ipados Suse
5.5
CVSS 3.1 · Vendor: apple
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Severity by source

Vendor (apple) PRIMARY
5.5 MEDIUM
AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
vuln.today AI
5.5 MEDIUM

Attack vector Local; user must open content; High availability impact only.

3.1 AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
4.0 AV:L/AC:L/AT:N/PR:N/UI:R/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
SUSE
MEDIUM
qualitative
Red Hat
8.8 HIGH
qualitative

Primary rating from Vendor (apple).

CVSS VectorVendor: apple

Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

Lifecycle Timeline

5
Analysis Generated
Jul 28, 2026 - 19:28 vuln.today
CVSS changed
Jul 28, 2026 - 19:22 NVD
5.5 (MEDIUM)
Patch available
Jul 27, 2026 - 21:17 EUVD
CVE Published
Jul 27, 2026 - 20:12 cve.org
MEDIUM 5.5
CVE Published
Jul 27, 2026 - 20:12 cve.org
UNKNOWN (no severity yet)

DescriptionCVE.org

A use-after-free issue was addressed with improved memory management. This issue is fixed in Safari 26.6, iOS 26.6 and iPadOS 26.6, macOS Tahoe 26.6, tvOS 26.6, visionOS 26.6, watchOS 26.6. Processing maliciously crafted web content may lead to an unexpected Safari crash.

AnalysisAI

Unexpected Safari crash via use-after-free when processing maliciously crafted web content affects Safari 26.6 and earlier on all Apple platforms. This denial-of-service condition requires user interaction to open a malicious webpage; no public exploit identified and EPSS probability is low (0.14%).

Technical ContextAI

The vulnerability is a use-after-free (CWE-416) in WebKit's memory management when handling crafted web content. CPE data confirms affected products include Safari (cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:*), iOS, iPadOS, macOS, tvOS, visionOS, and watchOS. Use-after-free occurs when an object is accessed after its memory has been freed, leading to corruption that can cause a crash.

RemediationAI

Apply vendor-released patch: Upgrade Safari to version 26.6 on macOS, and update respective OS to version 26.6 for iOS/iPadOS, tvOS, visionOS, watchOS. Patches available from Apple's support pages linked above. No workarounds provided; the best mitigation is to avoid clicking untrusted links and keep software updated.

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Same weakness CWE-416 – Use After Free

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Vendor StatusVendor

SUSE

Severity: Moderate
Product Status
SUSE Linux Enterprise Desktop 15 SP7 Affected
SUSE Linux Enterprise Module for Basesystem 15 SP7 Affected
SUSE Linux Enterprise Module for Desktop Applications 15 SP7 Affected
SUSE Linux Enterprise Module for Development Tools 15 SP7 Affected
SUSE Linux Enterprise Server 15 SP7 Affected

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CVE-2026-64718 vulnerability details – vuln.today
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