CVE-2026-84539

At a glance

Severity: Not available
EPSS: EPSS 0.21 % · percentile 11 (2026-10-27)
State: PUBLISHED
Published: 2026-10-26
Updated: 2026-10-26
Assigner: apple
NVD status: Awaiting Analysis

Description

An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in macOS Golden Gate 27, macOS Tahoe 26.7.2. An app may be able to cause unexpected system termination.

European references

ENISA EUVD · EUVD-2026-110400
GCVE · GCVE-0-2026-84539

CERT-FR advisories

CERTFR-2026-AVI-1387 — Multiples vulnérabilités dans les produits Apple · cert.ssi.gouv.fr

Affected products

Product	Versions
Apple · macOS	affected 0 < 26.7.2 ; affected 0 < 27

References

Sources

Source	Licence
CVE List (CVEProject cvelistV5)	CVE Program Terms of Use
EPSS (FIRST.org)	FIRST — attribution requested
ENISA EUVD	ENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)	Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feeds	Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD