# CVE-2026-84604: OpenBSM: Processing a maliciously crafted audit file may corrupt process memory

CVE-2026-84604 is fixed in 2 products on 1 platform, first by Sequoia 15.8.2, released October 26, 2026. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2026-84604
- Priority: High
- CVSS: 7.8 (HIGH)
- EPSS: 0.0021
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Oct 26, 2026
- Vendor advisory: https://support.apple.com/en-us/149522

## Description

A stack buffer overflow was addressed through improved input validation.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| macOS | Sequoia | 15.8.2 | [Sequoia 15.8.2](https://patchblox.com/security/data/fix/macos/sequoia-15.8.2.md) | Oct 26, 2026 |
| macOS | Tahoe | 26.7.2 | [Tahoe 26.7.2](https://patchblox.com/security/data/fix/macos/tahoe-26.7.2.md) | Oct 26, 2026 |

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Data as of 2026-11-08T00:53:09Z 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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