EUVD-2026-77928
GHSA-cf73-5vqx-gj3g
Severity by source
AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Requires a locally running app (AV:L, PR:L) with no user interaction; impact is crash-only, so C:N/I:N and A:H with unchanged scope - matching the vendor vector.
Primary rating from NVD.
CVSS VectorNVD
Lifecycle Timeline
7DescriptionNVD
A double free issue was addressed with improved memory management. This issue is fixed in macOS Golden Gate 27. An app may be able to cause unexpected system termination.
AnalysisAI
Double-free memory corruption in Apple macOS (all versions prior to macOS Golden Gate 27) is reachable by a locally installed or executed untrusted application, which can then trigger unexpected system termination and a local denial of service; confidentiality and integrity are unaffected and there is no remote or network-triggered path. Exploitation requires the attacker to already be able to run code as an application on the target Mac (CVSS:3.1/AV:L/AC:L/PR:L/UI:N, i.e. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires the attacker to already be able to run code as an application on the target macOS system (AV:L, PR:L) - i.e. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | This is a genuinely low-priority issue despite its MEDIUM CVSS of 5.5. … 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: macOS Golden Gate 27 - update affected Macs via System Settings > General > Software Update or the equivalent managed-software-update workflow, and verify the build is 27 or later; see 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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External POC / Exploit Code
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