AppleCVE-2026-112478

Apple macOS: out-of-bounds read

CVE-2026-112478 · Published Oct 26, 2026 · updated Oct 27, 2026

Unrated

Fix: upgrade to 26.7.2 or later (2 fixed versions below)

An out-of-bounds read issue was addressed by removing the vulnerable code. This issue is fixed in macOS Golden Gate 27.2, macOS Tahoe 26.7.2. An app may be able to cause unexpected system termination or read kernel memory.

Affected versions

Package	Affected	Fixed in
macOS Product	< 26.7.2	26.7.2
	< 27.2	27.2

Details and references

Severity from: no source yet

More Apple advisories

All Apple

UnscoredOct 26

Apple iOS and iPadOS: buffer overflowCVE-2026-86991fixed in 26.7.2 +2 UnscoredOct 26

The issue was addressed with improved memory handlingCVE-2026-86992fixed in 26.7.2 +2 UnscoredOct 26

This issue was addressed with improved input validationCVE-2026-86985fixed in 27.2 +2 UnscoredOct 26

Apple Safari: use after freeCVE-2026-86986fixed in 27.2 +2 Medium 5.5Oct 26

Apple iOS and iPadOS: missing authorizationCVE-2026-86987fixed in 27.2 Medium 4.3Oct 26

Apple iOS and iPadOS: memory corruptionCVE-2026-86988fixed in 27.2 +2