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CVE-2026-86950

Apple Multiple Products Out-of-Bounds Write Vulnerability

Apple Multiple Products
CVSS
8.8High
ExploitationExploited in the wildAdded to KEV 29 Sep 2026CISA KEV
Exploit odds (EPSS)1.24%Chance of exploitation activity in the next 30 days, higher than 68% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed in26.7.1Also 15.8.1CVE List
Federal deadline13 Oct 2026Remediation due date for US federal agenciesCISA KEV
CISA required actionApply 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. CISA KEV

What fixes it

A fixed version on one release line is not the upgrade target for every line. Check your exact version and any vendor backports.

Timeline

  1. 28 Sep 2026, 19:13 UTCPublishedCVE List
  2. 29 Sep 2026Added to CISA KEVCISA KEV

Description

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

Text from CVE List

Affected versions 3

  • iOS and iPadOSaffected: all versions before 26.7.1CVE List
  • macOSaffected: all versions before 15.8.1CVE List
  • macOSaffected: all versions before 26.7.1CVE List

References 5