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Apple iOS/iPadOS CVE-2026-43794

| EUVDEUVD-2026-60510 HIGH
Buffer Overflow (CWE-119)
2026-08-17 apple GHSA-gmc7-3cj9-5m78
Buffer Overflow Apple Ios And Ipados
8.8
CVSS 3.1 · Vendor: apple
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Severity by source

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

Web content delivery over network requires no authentication or privileges; user must visit the page (UI:R); memory corruption in a browser engine realistically yields full C/I/A impact on the vulnerable process.

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

Primary rating from Vendor (apple).

CVSS VectorVendor: apple

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

Lifecycle Timeline

5
Analysis Generated
Aug 18, 2026 - 13:23 vuln.today
CVSS changed
Aug 18, 2026 - 13:22 NVD
8.8 (HIGH)
Patch available
Aug 17, 2026 - 22:03 EUVD
CVE Published
Aug 17, 2026 - 21:31 cve.org
HIGH 8.8
CVE Published
Aug 17, 2026 - 21:31 cve.org
UNKNOWN (no severity yet)

DescriptionCVE.org

A memory corruption issue was addressed with improved memory handling. 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 memory corruption.

AnalysisAI

Memory corruption in Apple's web content rendering engine affects iOS, iPadOS, and macOS Tahoe, enabling high-impact device compromise when a user processes maliciously crafted web content. All iOS and iPadOS versions prior to 18.7.10 and 26.6.1, and macOS Tahoe versions prior to 26.6.2, are confirmed affected per Apple security advisories and EUVD-2026-60510. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
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Delivery
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Exploit
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Execution
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Persist
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Impact
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Vulnerability AssessmentAI

Exploitation Exploitation requires the target user to actively process maliciously crafted web content - navigating to an attacker-controlled URL, opening a crafted file that invokes WebKit, or interacting with embedded web content within an application. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS 3.1 score of 8.8 (AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H) reflects a network-accessible flaw with low attack complexity and no authentication requirement, where the only barrier to exploitation is inducing a user to visit a malicious page. … 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 The primary remediation is immediate upgrade to the vendor-released patched versions: iOS 18.7.10 and iPadOS 18.7.10 (for devices on the legacy 18.x branch), iOS 26.6.1 and iPadOS 26.6.1 (for devices on the current 26.x branch), or macOS Tahoe 26.6.2, all available through Apple Software Update. … Detailed patch versions, workarounds, and compensating controls in full report.
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Recommended ActionAI

Within 24 hours, inventory all iOS, iPadOS, and macOS Tahoe devices running unpatched versions (prior to iOS 18.7.10, iPadOS 26.6.1, or macOS Tahoe 26.6.2) and alert users and IT teams. …

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Vendor StatusVendor

SUSE

Severity: Important
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-2026-43794 vulnerability details – vuln.today
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