EUVD-2026-78052
GHSA-6f5v-qph4-3m38
Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Description implies a local app already executing (AV:L, PR:L), abusing an authorization flaw to read sensitive data (C:H) with no integrity or availability impact.
Primary rating from NVD.
CVSS VectorNVD
Lifecycle Timeline
6DescriptionNVD
An authorization issue was addressed with improved state management. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7. An app may be able to access sensitive user data.
AnalysisAI
Improper authorization handling in Apple macOS lets a locally running app reach sensitive user data it should not be permitted to access, because the underlying authorization state is not managed correctly. The flaw affects macOS versions prior to Golden Gate 27, Tahoe 26.7, and Sequoia 15.8, and exploits require a malicious or compromised application to already be executing on the target Mac - the external CVSS score of 7.5 (AV:N) is inconsistent with the vendor description and with our assessed vector of CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N, which reflects a local, low-privileged precondition. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Requires a malicious or compromised application already running locally on the target Mac; the description ('An app may be able to access sensitive user data') establishes on-device code execution as the precondition, not remote access. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | This is a classic case of a network-scored vector that contradicts its own description. … 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: macOS Golden Gate 27, macOS Tahoe 26.7, and macOS Sequoia 15.8 - update to the release matching your branch via Software Update or your MDM, using the guidance in Apple's advisories at https://support.apple.com/en-us/149035, 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. |
Recommended ActionAI
Within 24 hours, inventory all macOS endpoints against the three fixed baselines - Golden Gate 27, Tahoe 26.7, and Sequoia 15.8 - using existing MDM or asset management tooling, and flag every device running a version below those thresholds, prioritizing systems used by executives, finance, legal, and engineering where sensitive user data concentrates. …
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Same weakness CWE-863 – Incorrect Authorization
View allSame technique Authentication Bypass
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External POC / Exploit Code
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