CVE-2026-86950

Published Sep 28, 2026

Last updated 16 days ago

Supply chain

Mobile device

Overview

AI description

Automated description summarized from trusted sources.

CVE-2026-86950 is an out-of-bounds write vulnerability found within Apple's CoreGraphics framework. This flaw allows for memory corruption and can potentially lead to arbitrary code execution if a device processes a specially crafted file. The CoreGraphics component is fundamental to Apple operating systems, handling the rendering of 2D content such as images and PDF documents. Apple addressed this issue by implementing improved bounds checking in affected versions of iOS, iPadOS, and macOS. The vulnerability was reported to Apple by Meta Product Security. Apple has acknowledged reports suggesting that this issue may have been exploited in highly targeted attacks against specific individuals on older versions of iOS.

Description: An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in 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.
Source: product-security@apple.com
NVD status: Analyzed
Products: ipados, iphone_os, macos

Risk scores

CVSS 3.1

Type: Secondary
Base score: 8.8
Impact score: 5.9
Exploitability score: 2.8
Vector string: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Severity: HIGH

Known exploits

Data from CISA

Vulnerability name: Apple Multiple Products Out-of-Bounds Write Vulnerability
Exploit added on: Sep 29, 2026
Exploit action due: Oct 2, 2026
Required action: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.

Weaknesses

134c704f-9b21-4f2e-91b3-4a467353bcc0: CWE-787

Hype score: Not currently trending

Configurations

[
  {
    "nodes": [
      {
        "cpeMatch": [
          {
            "criteria": "cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*",
            "matchCriteriaId": "E820C7A6-6EBE-46FC-A3A0-E2329DED12E7",
            "versionEndExcluding": "26.7.1",
            "vulnerable": true
          },
          {
            "criteria": "cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*",
            "matchCriteriaId": "FF3A9F40-6FE0-4D54-AC00-27228E5F329C",
            "versionEndExcluding": "26.7.1",
            "vulnerable": true
          },
          {
            "criteria": "cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*",
            "matchCriteriaId": "77C881FE-1FF0-4D7A-9E5A-9E7FC6BBA3B8",
            "versionEndExcluding": "15.8.1",
            "vulnerable": true
          },
          {
            "criteria": "cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*",
            "matchCriteriaId": "810BEE78-D6FB-416D-B719-A7639184DEAA",
            "versionEndExcluding": "26.7.1",
            "versionStartIncluding": "26.0",
            "vulnerable": true
          }
        ],
        "negate": false,
        "operator": "OR"
      }
    ]
  }
]

References

Sources include official advisories and independent security research.