CVE-2026-84609

At a glance

Severity: CRITICAL 9.8
EPSS: EPSS 0.66 % · percentile 52 (2026-10-27)
State: PUBLISHED
Published: 2026-09-14
Updated: 2026-10-26
Assigner: apple
NVD status: Analyzed

Description

A permissions issue was addressed with improved path validation. This issue is fixed in iOS 27 and iPadOS 27, macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7, tvOS 27, visionOS 27, watchOS 27. An app may be able to modify protected system files.

Scores

Version	Score	Vector	Scored by
CVSS 3.1	CRITICAL 9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	CISA-ADP
CVSS 3.1	CRITICAL 9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	NVD · 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)

Weaknesses (CWE)

CWE-120

European references

ENISA EUVD · EUVD-2026-77999
GCVE · GCVE-0-2026-84609

CERT-FR advisories

CERTFR-2026-AVI-1172 — Multiples vulnérabilités dans les produits Apple · cert.ssi.gouv.fr

Affected configurations (NVD CPE)

cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* < 27.0
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* < 27.0
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* ≥ 15.0 < 15.8
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* ≥ 26.0 < 26.7
cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:* < 27.0
cpe:2.3:o:apple:visionos:*:*:*:*:*:*:*:* < 27.0
cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:* < 27.0

Affected products

Product	Versions
Apple · iOS and iPadOS	affected 0 < 27
Apple · macOS	affected 0 < 15.8 ; affected 0 < 26.7 ; affected 0 < 27
Apple · tvOS	affected 0 < 27
Apple · visionOS	affected 0 < 27
Apple · watchOS	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