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Vulnerability record · CVE-2026-84609 · published 14 September 2026

CVE-2026-84609: Apple ipados classic buffer overflow vulnerability

Apple · Ipados

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.

9.8 CVSS 3.1 Critical EPSS 0.66% · top 50.2% CWE-120 · Classic buffer overflow
9.8CVSS 3.1 base score
0.66%EPSS exploitation probability, 30 days
NoNot in CISA KEV
6Affected product versions listed by NVD
7References
18 Sep 2026Last modified by NVD

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.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

6 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://support.apple.com/en-us/149034 Vendor Advisory
https://support.apple.com/en-us/149035 Vendor Advisory
https://support.apple.com/en-us/149036 Vendor Advisory
https://support.apple.com/en-us/149037 Vendor Advisory
https://support.apple.com/en-us/149038 Vendor Advisory
https://support.apple.com/en-us/149042 Vendor Advisory
https://support.apple.com/en-us/149043 Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2026-84609), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.