# Sequoia 15.8.3

Sequoia 15.8.3, released November 9, 2026, fixes 8 CVEs in Sequoia. One of them is being exploited (CVE-2026-111497); 1 on CISA KEV. Patch Radar priority: Patch now.

- Web page: https://patchblox.com/security/fix/macos/sequoia-15.8.3
- Platform: macOS
- Released: Nov 9, 2026
- Priority: Patch now (Closes CVE-2026-111497, exploited (CISA KEV))
- CVEs: 8, exploited: 1, on CISA KEV: 1
- Vendor advisory: https://support.apple.com/en-us/149720

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [Sequoia](https://patchblox.com/security/data/product/macos/sequoia.md) |  | 15.8.3 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2026-111497](https://patchblox.com/security/data/cve/CVE-2026-111497.md) | Patch now | Google: CVE-2026-111497 Buffer overflow vulnerability in the Brotli decoder | 9.8 | 0.8264 | CISA KEV, Disclosed |
| [CVE-2026-113960](https://patchblox.com/security/data/cve/CVE-2026-113960.md) | Routine | Messages: A user added to an iMessage group may be able to access messages sent before they joined | n/a | n/a |  |
| [CVE-2026-113961](https://patchblox.com/security/data/cve/CVE-2026-113961.md) | Routine | Messages: A remote attacker may be able to join an iMessage group chat and receive its messages | n/a | n/a |  |
| [CVE-2026-113964](https://patchblox.com/security/data/cve/CVE-2026-113964.md) | Routine | CoreUtils: An attacker in Bluetooth range may be able to bypass the rate limit on pairing code attempts and pair with a device without user interaction | n/a | n/a |  |
| [CVE-2026-113965](https://patchblox.com/security/data/cve/CVE-2026-113965.md) | Routine | CoreUtils: A malicious Bluetooth device may be able to establish a pairing without user interaction | n/a | n/a |  |
| [CVE-2026-113968](https://patchblox.com/security/data/cve/CVE-2026-113968.md) | Routine | AirPlay: An attacker in Bluetooth range may be able to bypass the rate limit on pairing code attempts | n/a | n/a |  |
| [CVE-2026-113969](https://patchblox.com/security/data/cve/CVE-2026-113969.md) | Routine | rapportd: An attacker on the same network may be able to bypass the rate limit on AirPlay pairing code attempts | n/a | n/a |  |
| [CVE-2026-113970](https://patchblox.com/security/data/cve/CVE-2026-113970.md) | Routine | Bluetooth: An attacker in Bluetooth range may be able to corrupt process memory | n/a | n/a |  |

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Data as of 2026-11-10T07:50:38Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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