CVE-2026-86950: Apple Multiple Products Out-of-Bounds Write Vulnerability

Published Sep 28, 2026
·
Updated

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.

Other sources

Apple iOS, macOS, and iPadOS contain an out-of-bounds write vulnerability in CoreGraphics that may lead to arbitrary code execution.

— CISA

CoreGraphics. An out-of-bounds write issue was addressed with improved bounds checking.

— Apple

Credit

Meta Product Security

Affected Software

9 affected componentsFixes available
Apple iOS<26.7.1
26.7.1
Apple iPadOS<26.7.1
26.7.1
Apple macOS Sequoia<15.8.1
15.8.1
Apple macOS Tahoe<26.7.1
26.7.1
Apple iPadOS<26.7.1
Apple iPhone OS<26.7.1
Apple macOS<15.8.1
Apple macOS>=26.0<26.7.1
Apple Multiple Products

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 26.7.1
  2. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 15.8.1
  3. Upgrade

    Upgrade Apple iOS and iPadOS to a version that resolves this vulnerability.

    Fixed in 26.7.1
  4. Upgrade

    Upgrade Apple macOS Sequoia to a version that resolves this vulnerability.

    Fixed in 15.8.1
  5. Upgrade

    Upgrade Apple macOS Tahoe to a version that resolves this vulnerability.

    Fixed in 26.7.1
  6. Compensating control

    Discontinue use of the affected product if mitigations are unavailable.

Event History

Sep 28, 2026
Data Sourced
via Apple·12:00 AM
DescriptionWeaknessAffected Software
CVE Published
via MITRE·07:13 PM
Data Sourced
via MITRE·07:13 PM
DescriptionWeakness
Data Sourced
via NVD·08:17 PM
DescriptionSeverityWeaknessAffected Software
Sep 29, 2026
Kev Listed
via CISA·12:00 AM
Known Exploited
via CISA·12:00 AM
Data Sourced
via CISA·12:00 AM
RemedyDescriptionAffected Software

Parent advisories

This vulnerability appears in the following advisories.

Peer vulnerabilities

Found alongside the following vulnerabilities.

Frequently Asked Questions

1

Which product families should be included in remediation planning?

The affected software list includes Apple iOS, Apple iPadOS, macOS Sequoia, and macOS Tahoe.

Contact

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