EUVD-2026-77924
GHSA-pvqc-6x2h-pg58
Severity by source
AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Image arrives remotely (AV:N) but requires the victim to open it (UI:R) with no privileges needed; only availability is impacted, so C:N/I:N.
Primary rating from Vendor (apple).
CVSS VectorVendor: apple
Lifecycle Timeline
6DescriptionCVE.org
An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 26.7 and iPadOS 26.7, iOS 27 and iPadOS 27, macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7, tvOS 27, visionOS 27. Processing a maliciously crafted image may result in memory corruption.
AnalysisAI
An out-of-bounds write in Apple's image processing pipeline (CWE-787) allows a maliciously crafted image to corrupt memory when it is viewed on affected Apple platforms. Apple addressed the flaw with improved bounds checking in iOS/iPadOS 26.7 and 27, macOS Sequoia 15.8, macOS Tahoe 26.7, macOS Golden Gate 27, tvOS 27, and visionOS 27. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires the victim to open or preview a maliciously crafted image file on an unpatched device (CVSS UI:R is the decisive limiter); the file can be delivered over the network through any channel that renders images - email attachment, messaging app, web page, or shared file - with no authentication required (PR:N) and no special network position (AV:N/AC:L). … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The signals here point to a moderate, patchable issue rather than an emergency. … 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 | Apply the vendor-released patches: upgrade iOS and iPadOS to 26.7 or 27, macOS Sequoia to 15.8, macOS Tahoe to 26.7, macOS Golden Gate to 27, tvOS to 27, and visionOS to 27; several updates are cumulative, so the newest branch for each device covers the fix. … Detailed patch versions, workarounds, and compensating controls in full report. |
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Same weakness CWE-787 – Out-of-bounds Write
View allSame technique Buffer Overflow
View allShare
External POC / Exploit Code
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