# CVE-2026-86958: CVE-2026-86958

Status: published. Published: 2026-10-26. Updated: 2026-11-06.

The issue was addressed with improved memory handling. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8.2, macOS Tahoe 26.7.2. An attacker with memory write capability may be able to bypass pointer authentication codes and run arbitrary code.

## Remediation

No remediation reported in collected sources

## Affected products and versions

- Apple / macOS: ≥ 0; < 15.8.2 (affected, custom); ≥ 0; < 26.7.2 (affected, custom); ≥ 0; < 27 (affected, custom). Source: CNA: apple

## Severity and prioritization

- CVSS 3.1: 7.8 (high); CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H; source: ADP: CISA-ADP

- CISA KEV: No listing in collected sources

- EPSS: 0.31% as of 2026-11-06; percentile 23.96%

- SSVC: exploitation none; automatable no; technical impact total; source ADP: CISA-ADP

- Weaknesses: CWE-119

## Exploit evidence

No exploit evidence in collected sources. This is not proof of no exploitation.

## References

- https://support.apple.com/en-us/149035 (CNA: apple)

- https://support.apple.com/en-us/149522 (CNA: apple)

- https://support.apple.com/en-us/149523 (CNA: apple)

## Provenance

- CNA: apple: https://www.cve.org/CVERecord?id=CVE-2026-86958; retrieved 2026-11-06; source updated 2026-11-06

- FIRST EPSS: https://api.first.org/data/v1/epss?cve=CVE-2026-86958; retrieved 2026-11-06; source updated Not reported

Revision: 483d6c78d1894130d061441c0c8b23538900bfca871217bc7cec26fd247d4208

Canonical: https://y2.dev/cve/CVE-2026-86958

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