CVE-2026-86950

Description

An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 18.7.11 and iPadOS 18.7.11, iOS 26.7.1 and iPadOS 26.7.1, macOS Sequoia 15.8.1, macOS Tahoe 26.7.1. Processing a maliciously crafted file may lead to arbitrary code execution. Apple is aware of a report that this issue may have been exploited in an extremely sophisticated attack against specific targeted individuals on versions of iOS before iOS 27.

Scores

Weaknesses (CWE)

• CWE-787

European references

• ENISA EUVD · EUVD-2026-88445
• GCVE · GCVE-0-2026-86950

CERT-FR advisories

• CERTFR-2026-AVI-1387 — Multiples vulnérabilités dans les produits Apple · cert.ssi.gouv.fr
• CERTFR-2026-AVI-1236 — Vulnérabilité dans les produits Apple · cert.ssi.gouv.fr

Affected configurations (NVD CPE)

• cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* < 18.7.11
• cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* ≥ 26.0 < 26.7.1
• cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* < 18.7.11
• cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* ≥ 26.0 < 26.7.1
• cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* < 15.8.1
• cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* ≥ 26.0 < 26.7.1

Affected products

References

• https://support.apple.com/en-us/149225
• https://support.apple.com/en-us/149226
• https://support.apple.com/en-us/149228
• https://support.apple.com/en-us/149229
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-86950
• http://seclists.org/fulldisclosure/2026/Sep/89
• http://seclists.org/fulldisclosure/2026/Sep/90
• http://seclists.org/fulldisclosure/2026/Sep/91

Sources