EUVD-2026-78124
GHSA-vj44-6c8w-gqhc
Severity by source
AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Description implies a locally-installed app (AV:L/PR:L) winning a race (AC:H); confidentiality-only disclosure of user data, no integrity or availability impact.
Primary rating from NVD.
CVSS VectorNVD
Lifecycle Timeline
6DescriptionNVD
A race condition was addressed with improved state management. This issue is fixed in macOS Golden Gate 27. An app may be able to access sensitive user data.
AnalysisAI
A race condition in Apple macOS state management allows a locally executing application to read sensitive user data; the flaw is fixed in macOS Golden Gate 27, and all earlier macOS versions are affected. Exploitation requires an attacker-controlled or malicious app already running on the host (assessed as local, PR:L, not remote despite the vendor's AV:N/PR:N vector) and depends on winning a narrow timing window, which limits reliability. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Requires a malicious or attacker-controlled application already executing locally on the macOS host; there is no evidence of remote or network-triggerable exploitation despite the vendor's AV:N. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The vendor CVSS of 5.9 (AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N) is internally inconsistent with the description, which states 'An app may be able to access sensitive user data' - implying a malicious app already running on the device, i.e. … 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 macOS Golden Gate 27, which Apple states fixes the race condition via improved state management; apply it to every Mac (including remotely managed fleets) and verify the build number post-upgrade, following the guidance in Apple's advisory at https://support.apple.com/en-us/149035. … Detailed patch versions, workarounds, and compensating controls in full report. |
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Same weakness CWE-362 – Race Condition
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External POC / Exploit Code
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