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.
Metrics
Affected Vendors & Products
References
History
Sun, 20 Sep 2026 20:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Title | Certificate Validation Flaw Allowing TLS Interception by Privileged Network Attacker |
Wed, 16 Sep 2026 09:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Title | Certificate Validation Issue Allows Traffic Interception in macOS |
Wed, 16 Sep 2026 01:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| CPEs | cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* |
Tue, 15 Sep 2026 16:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
cvssV3_1
|
Tue, 15 Sep 2026 08:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Title | Certificate Validation Issue Allows Traffic Interception in macOS | |
| Weaknesses | CWE-295 |
Tue, 15 Sep 2026 03:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Apple
Apple macos |
|
| Vendors & Products |
Apple
Apple macos |
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 |
|
Status: PUBLISHED
Assigner: apple
Published: 2026-09-14T20:50:30.682Z
Updated: 2026-10-20T00:50:47.239Z
Reserved: 2026-09-08T16:43:41.872Z
Link: CVE-2026-86889
Updated: 2026-09-15T15:23:29.755Z
Status : Analyzed
Published: 2026-09-14T21:17:39.860
Modified: 2026-09-16T01:03:23.290
Link: CVE-2026-86889
No data.