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Apple Safari CVE-2026-65337

| EUVDEUVD-2026-60502 MEDIUM
Improper Input Validation (CWE-20)
2026-08-17 apple GHSA-4mpc-p27j-hqg2
Denial Of Service Apple Ios And Ipados
4.3
CVSS 3.1 · Vendor: apple
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Severity by source

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

Network-reachable via browser, no auth or privileges needed, but user must visit the page; crash-only DoS with no confidentiality or integrity impact.

3.1 AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
4.0 AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N

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
None
Availability
Low

Lifecycle Timeline

5
Analysis Generated
Aug 18, 2026 - 14:38 vuln.today
CVSS changed
Aug 18, 2026 - 14:22 NVD
4.3 (MEDIUM)
Patch available
Aug 17, 2026 - 22:03 EUVD
CVE Published
Aug 17, 2026 - 21:31 cve.org
MEDIUM 4.3
CVE Published
Aug 17, 2026 - 21:31 cve.org
UNKNOWN (no severity yet)

DescriptionCVE.org

This issue was addressed through improved state management. This issue is fixed in iOS 18.7.10 and iPadOS 18.7.10, iOS 26.6.1 and iPadOS 26.6.1, macOS Tahoe 26.6.2. Processing maliciously crafted web content may lead to an unexpected Safari crash.

AnalysisAI

Safari on Apple iOS, iPadOS, and macOS Tahoe crashes unexpectedly when processing specially crafted web content due to a state management flaw. Affected versions span both legacy (iOS/iPadOS <18.7.10) and current-generation (iOS/iPadOS <26.6.1, macOS Tahoe <26.6.2) release trains, meaning a wide range of unpatched Apple devices are vulnerable. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

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Vulnerability AssessmentAI

Exploitation Exploitation requires that the victim actively navigate to or load attacker-controlled web content in an unpatched Safari browser (UI:R); passive network interception alone is insufficient. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS 3.1 base score of 4.3 (Medium) reflects the constrained impact profile: AV:N (network-reachable attack surface via the browser), AC:L (low complexity to trigger), PR:N (no authentication required of the attacker), but critically UI:R (victim must navigate to attacker-controlled or injected content) and scope unchanged with only A:L (partial availability - application crash, not system crash). … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario Full exploit scenario with step-by-step reproduction available after sign-in.
Remediation Update to iOS 18.7.10 or iPadOS 18.7.10 for devices on the legacy release train, iOS 26.6.1 or iPadOS 26.6.1 for devices on the current release train, or macOS Tahoe 26.6.2 for desktop systems. … Detailed patch versions, workarounds, and compensating controls in full report.
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CVE-2026-65337 vulnerability details – vuln.today
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