CVE-2026-20611

Severity CVSS v4.0:

Pending analysis

Type:

CWE-125 Out-of-bounds Read

Publication date:

11/02/2026

Last modified:

02/04/2026

Description

An out-of-bounds access issue was addressed with improved bounds checking. This issue is fixed in iOS 18.7.5 and iPadOS 18.7.5, iOS 26.3 and iPadOS 26.3, macOS Sequoia 15.7.4, macOS Sonoma 14.8.4, macOS Tahoe 26.3, tvOS 26.3, visionOS 26.3, watchOS 26.3. Processing a maliciously crafted media file may lead to unexpected app termination or corrupt process memory.

Impact

Vector 3.x

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H CVSS v3.1 Severity and Metrics:

Base Score: 7.80 HIGH
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

Base Score 3.x

7.80

Severity 3.x

HIGH

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:o:apple:ipados::::::::		18.7.5 (excluding)
cpe:2.3:o:apple:ipados::::::::	26.0 (including)	26.3 (excluding)
cpe:2.3:o:apple:iphone_os::::::::		18.7.5 (excluding)
cpe:2.3:o:apple:iphone_os::::::::	26.0 (including)	26.3 (excluding)
cpe:2.3:o:apple:macos::::::::		14.8.4 (excluding)
cpe:2.3:o:apple:macos::::::::	15.0 (including)	15.7.4 (excluding)
cpe:2.3:o:apple:macos::::::::	26.0 (including)	26.3 (excluding)
cpe:2.3:o:apple:tvos::::::::		26.3 (excluding)
cpe:2.3:o:apple:visionos::::::::		26.3 (excluding)
cpe:2.3:o:apple:watchos::::::::		26.3 (excluding)

To consult the complete list of CPE names with products and versions, see this page

CVE-2026-20611

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools