What is the CVSS score of CVE-2026-20634?

CVE-2026-20634 has a CVSS 3.1 base score of 5.5 (Medium). CVSS vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N. EPSS exploitation probability: 0.0%.

Which versions of Apple are affected by CVE-2026-20634?

Organizations using The should be aware of moderate risk from CVE-2026-20634 rated CVSS 5.5. Exploitation could compromise the security of affected deployments.

How to fix or mitigate CVE-2026-20634?

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Monitor vendor channels for patch availability.

Apple CVE-2026-20634

MEDIUM

2026-02-11 product-security@apple.com

Apple Information Disclosure

5.5

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

5.5 MEDIUM

AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Lifecycle Timeline

Analysis Generated

Mar 12, 2026 - 22:02 vuln.today

CVE Published

Feb 11, 2026 - 23:16 nvd

MEDIUM 5.5

DescriptionCVE.org

The issue was addressed with improved memory handling. This issue is fixed in watchOS 26.3, tvOS 26.3, macOS Tahoe 26.3, macOS Sonoma 14.8.4, macOS Sequoia 15.7.4, iOS 18.7.5 and iPadOS 18.7.5, visionOS 26.3, iOS 26.3 and iPadOS 26.3. Processing a maliciously crafted image may result in disclosure of process memory.

AnalysisAI

Memory disclosure in Apple's image processing across macOS, iOS, iPadOS, tvOS, and visionOS allows local attackers with user interaction to leak sensitive process memory by submitting a specially crafted image file. The vulnerability requires no elevated privileges and affects multiple Apple operating system versions, with fixes available in watchOS 26.3, tvOS 26.3, macOS Tahoe 26.3, and corresponding iOS/iPadOS updates. An attacker could exploit this to extract confidential data from running processes on the targeted device.

Technical ContextAI

Affects Ipados. The issue was addressed with improved memory handling. This issue is fixed in watchOS 26.3, tvOS 26.3, macOS Tahoe 26.3, macOS Sonoma 14.8.4, macOS Sequoia 15.7.4, iOS 18.7.5 and iPadOS 18.7.5, visionOS 26.3, iOS 26.3 and iPadOS 26.3. Processing a maliciously crafted image may result in disclosure of process memory.