EUVD-2026-77994
GHSA-cw5p-6hpw-5c77
Severity by source
AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
Local app execution (AV:L, PR:N as any sandboxed app), user must install/run it (UI:R); impact is protected-file write so I:H, with C:N/A:N.
Primary rating from Vendor (apple).
CVSS VectorVendor: apple
Lifecycle Timeline
7DescriptionCVE.org
A permissions issue was addressed with additional restrictions. 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. An app may be able to modify protected parts of the file system.
AnalysisAI
A local permission-assignment flaw in Apple's mobile and desktop operating systems lets an app installed on the device modify protected parts of the file system, giving it an integrity-only foothold outside its normal sandbox boundaries. Affected platforms are iOS and iPadOS before 26.7 and 27, and macOS before Golden Gate 27, Sequoia 15.8, and Tahoe 26.7; exploitation requires a locally-installed, running app plus user interaction (CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N), with no confidentiality or availability impact and no remote or network reachability. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Requires a locally-installed, running app on an affected Apple OS (iOS/iPadOS before 26.7 or 27, or macOS before Golden Gate 27 / Sequoia 15.8 / Tahoe 26.7); the malicious code executes within the normal app context and abuses the permission-assignment flaw to write protected file-system paths. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | This is a moderate, not urgent, priority. … 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 patches are available: update iOS and iPadOS to 26.7 (or to 27), macOS Sequoia to 15.8, macOS Tahoe to 26.7, and macOS Golden Gate to 27, per the Apple advisories at https://support.apple.com/en-us/149034, https://support.apple.com/en-us/149035, https://support.apple.com/en-us/149041, https://support.apple.com/en-us/149042, and https://support.apple.com/en-us/149043. … Detailed patch versions, workarounds, and compensating controls in full report. |
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