EUVD-2026-77912
GHSA-h8hc-wrg9-mpj2
Severity by source
AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Requires a locally installed app to reach the kernel interface (AV:L/PR:L); low complexity, no user interaction, and only kernel memory confidentiality is impacted.
Primary rating from Vendor (apple).
CVSS VectorVendor: apple
Lifecycle Timeline
7DescriptionCVE.org
An out-of-bounds read was addressed with improved input validation. This issue is fixed in iOS 27 and iPadOS 27, macOS Golden Gate 27, tvOS 27, visionOS 27, watchOS 27. An app may be able to disclose kernel memory.
AnalysisAI
An out-of-bounds read in Apple's kernel, fixed across iOS 27, iPadOS 27, macOS Golden Gate 27, tvOS 27, visionOS 27 and watchOS 27, allows a locally installed application to disclose kernel memory to user space. The flaw (CWE-125) stems from insufficient input validation in a kernel code path reached by app-supplied data, and yields high confidentiality impact only - no integrity or availability loss. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires the ability to execute code on the target device as a normal (non-privileged) app - CVSS AV:L/PR:L/UI:N means a locally installed application can trigger the read without any additional authentication, entitlement or user interaction beyond the app already running. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | CVSS 3.1 scores this 5.5 (AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N) - a purely local, low-complexity, low-privilege information-disclosure issue with a single-tenant scope. … 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 | Vendor-released patch: update to iOS 27, iPadOS 27, macOS Golden Gate 27, tvOS 27, visionOS 27 or watchOS 27 respectively - Apple's advisories at https://support.apple.com/en-us/149034, 149035, 149036, 149037 and 149038 map each platform to its fix. … Detailed patch versions, workarounds, and compensating controls in full report. |
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Same weakness CWE-125 – Out-of-bounds Read
View allSame technique Information Disclosure
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External POC / Exploit Code
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