macOS Sequoia 15.8.2 (security update)
Apple released macOS Sequoia 15.8.2 with security fixes. Available for: macOS Sequoia
- Published by source
- 2026-10-26
- First seen by Reality Radar
- 2026-10-26
- Last verified
- 2026-10-26
Affected
- Manufacturer
- Apple
- Products
- macOS Sequoia 15.8.2 macOS Sequoia
- Versions
- 15.8.2
Whether your exact unit is affected depends on the model, serial number and region in the official notice.
What the official notice says
Risk: security release
Remedy / actions:
- Update to macOS Sequoia 15.8.2
Is this affecting you?
Add what you own or use and Reality Radar will tell you when official changes match it — with evidence and next steps.
Sources
- Apple security releases Tier A · official published 2026-10-26
Evidence ledger
Every piece of evidence we store is appended to a public hash chain, so later edits are detectable. Anyone can re-verify it.
| Entry | Kind | Observed | Evidence hash | Entry hash |
|---|---|---|---|---|
| #1809 | new | 2026-10-26 | 9247c011f7f8…52b4d3 | 6d233b6831c8…91059e |
Chain head: #1913 68d492d71c09…880c23