Permissions Issue in Apple iOS and macOS Products
CVE-2026-86921

6.2MEDIUM

Key Information:

Vendor

Apple
Status
iOS And iPad OS
Mac OS
Visionos
Vendor
CVE Published:
20 October 2026

What is CVE-2026-86921?

This vulnerability in Apple's iOS and macOS products involves a permissions issue that was addressed with enhanced validation measures. A local attacker could potentially exploit this flaw to overwrite restricted files, posing a significant security risk. The issue has been patched in the latest versions of iOS, iPadOS, macOS, and visionOS, urging users to upgrade promptly to safeguard their devices.

Affected Version(s)

iOS and iPadOS 0 < 26.7

iOS and iPadOS 0 < 27

macOS 0 < 27

References

https://support.apple.com/en-us/149034
https://support.apple.com/en-us/149035
https://support.apple.com/en-us/149038

CVSS V3.1

Score:
6.2
Severity:
MEDIUM
Confidentiality:
None
Integrity:
High
Availability:
None
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.