CVE-2026-84496

At a glance

Severity: MEDIUM 6.5
EPSS: EPSS 0.46 % · percentile 40 (2026-10-27)
State: PUBLISHED
Published: 2026-10-26
Updated: 2026-10-27
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 27.2, macOS Tahoe 26.7.2. Mounting a maliciously crafted disk image may cause unexpected system termination or corrupt kernel memory.

Scores

Version	Score	Vector	Scored by
CVSS 3.1	MEDIUM 6.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H	CISA-ADP
CVSS 3.1	MEDIUM 6.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H	NVD · 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)

Weaknesses (CWE)

CWE-787

European references

ENISA EUVD · EUVD-2026-110113
GCVE · GCVE-0-2026-84496

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 < 27.2

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