A certificate validation issue was addressed with improved certificate validation. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7. An attacker in a privileged network position may be able to intercept network traffic.
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Apple | macOS | affected |
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Project Subscriptions
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Advisories
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Fixes
Solution
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Workaround
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References
History
Mon, 14 Sep 2026 21:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | A certificate validation issue was addressed with improved certificate validation. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7. An attacker in a privileged network position may be able to intercept network traffic. | |
| References |
|
Projects
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MITRE
Status: PUBLISHED
Assigner: apple
Published:
Updated: 2026-09-14T20:50:30.682Z
Reserved: 2026-09-08T16:43:41.872Z
Link: CVE-2026-86889
Vulnrichment
No data.
NVD
Status : Received
Published: 2026-09-14T21:17:39.860
Modified: 2026-09-14T21:17:39.860
Link: CVE-2026-86889
Redhat
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OpenCVE Enrichment
No data.
Weaknesses
No weakness.