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Apple Safari CVE-2026-64728

| EUVDEUVD-2026-49488 MEDIUM
Protection Mechanism Failure (CWE-693)
2026-07-27 apple GHSA-wggh-79p8-xw25
Apple Information Disclosure Ios And Ipados Tvos Visionos Watchos Red Hat Suse
6.5
CVSS 3.1 · Vendor: apple
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Severity by source

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

User interaction required, scope unchanged, no confidentiality impact.

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

Primary rating from Vendor (apple).

CVSS VectorVendor: apple

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

Lifecycle Timeline

5
Analysis Generated
Jul 28, 2026 - 16:39 vuln.today
CVSS changed
Jul 28, 2026 - 16:22 NVD
6.5 (MEDIUM)
Patch available
Jul 27, 2026 - 21:17 EUVD
CVE Published
Jul 27, 2026 - 20:12 cve.org
MEDIUM 6.5
CVE Published
Jul 27, 2026 - 20:12 cve.org
UNKNOWN (no severity yet)

DescriptionCVE.org

A permissions issue was addressed with improved validation. 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. Maliciously crafted web content may violate iframe sandboxing policy.

AnalysisAI

Bypass of iframe sandboxing policy in Apple Safari and all Apple operating systems through version 26.5 allows malicious web content to violate sandbox restrictions. Affected users include anyone running Safari on iOS, iPadOS, macOS Tahoe, tvOS, visionOS, or watchOS prior to version 26.6. An attacker can cause integrity violations, such as injecting or modifying content within sandboxed iframes, but requires user interaction (clicking a link or visiting a malicious page) and no public exploit or active exploitation has been identified at this time.

Technical ContextAI

The vulnerability lies in Apple's WebKit rendering engine, which implements iframe sandboxing to enforce security policies such as blocking form submission, script execution, or navigation from sandboxed contexts. CWE-693 (Protection Mechanism Failure) describes the root cause: the permission validation logic is flawed, allowing a maliciously crafted webpage to bypass the sandbox restrictions. CPE data confirms all Apple platforms running versions below 26.6 are affected, including Safari separate from OS upgrades. The attack vector is network-based (user visits a site), requires no authentication, but relies on user interaction.

RemediationAI

Apply the vendor-released patch by updating all affected Apple devices to version 26.6. For Safari standalone, update to Safari 26.6; for iOS/iPadOS, macOS Tahoe, tvOS, visionOS, watchOS, apply the respective OS update to 26.6. Advisory URLs: https://support.apple.com/en-us/128066 and related. No workarounds are available; the only mitigation is updating. Compensating controls such as blocking WebKit-based browsers or disabling JavaScript are impractical for most environments.

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Vendor StatusVendor

SUSE

Severity: Moderate
Product Status
SUSE Linux Enterprise Desktop 15 SP7 Affected
SUSE Linux Enterprise High Performance Computing 15 SP7 Affected
SUSE Linux Enterprise Module for Basesystem 15 SP7 Affected
SUSE Linux Enterprise Module for Desktop Applications 15 SP7 Affected
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CVE-2026-64728 vulnerability details – vuln.today
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