---
title: "CVE-2026-86950: Apple iOS & macOS - Remote Code Execution"
description: "Apple iOS < 26.7.1, iPadOS < 26.7.1, macOS Sequoia < 15.8.1, and macOS Tahoe < 26.7.1 contain a buffer overflow caused by improper bounds checking when processing maliciously crafted files, letting attackers execute arbitrary code, exploit requires processing a crafted file."
url: https://panop.io/threat-heartbeat/CVE-2026-86950/
---

# CVE-2026-86950 Apple iOS & macOS - Remote Code Execution

Apple iOS < 26.7.1, iPadOS < 26.7.1, macOS Sequoia < 15.8.1, and macOS Tahoe < 26.7.1 contain a buffer overflow caused by improper bounds checking when processing maliciously crafted files, letting attackers execute arbitrary code, exploit requires processing a crafted file.

CVSS base score 8.8 /10

High

CISA KEV

Exploited in the wild

Public exploit

Proof of concept available

Authentication

Not required

EPSS

1.24% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-86950)

## Details

Type

Remote Code Execution

Impact

Remote Code Execution

CVSS vector

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

Published

28 September 2026

Updated

15 October 2026

Weakness

[CWE-787](https://cwe.mitre.org/data/definitions/787.html)

## Vendor fix

Update to iOS 26.7.1, iPadOS 26.7.1, macOS Sequoia 15.8.1, macOS Tahoe 26.7.1 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-86950](https://nvd.nist.gov/vuln/detail/CVE-2026-86950)
- [https://support.apple.com/en-us/149226](https://support.apple.com/en-us/149226)
- [https://support.apple.com/en-us/149228](https://support.apple.com/en-us/149228)
- [https://support.apple.com/en-us/149229](https://support.apple.com/en-us/149229)
- [http://seclists.org/fulldisclosure/2026/Sep/89](http://seclists.org/fulldisclosure/2026/Sep/89)
- [http://seclists.org/fulldisclosure/2026/Sep/90](http://seclists.org/fulldisclosure/2026/Sep/90)
- [http://seclists.org/fulldisclosure/2026/Sep/91](http://seclists.org/fulldisclosure/2026/Sep/91)
- [https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field\_cve=CVE-2026-86950](https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-86950)
- [https://docs.google.com/spreadsheets/d/1lkNJ0uQwbeC1ZTRrxdtuPLCIl7mlUreoKfSIgajnSyY/edit](https://docs.google.com/spreadsheets/d/1lkNJ0uQwbeC1ZTRrxdtuPLCIl7mlUreoKfSIgajnSyY/edit)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

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