What is the CVSS score of CVE-2026-20605?

CVE-2026-20605 has a CVSS 3.1 base score of 4.6 (Medium). CVSS vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H. EPSS exploitation probability: 0.0%.

Which versions of Apple are affected by CVE-2026-20605?

Organizations using The should be aware of moderate risk from CVE-2026-20605, a buffer overflow vulnerability rated CVSS 4.6. Exploitation could cause memory corruption or application crashes.

How to fix or mitigate CVE-2026-20605?

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

Apple CVE-2026-20605

MEDIUM

Buffer Overflow (CWE-119)

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

Apple Buffer Overflow

4.6

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

4.6 MEDIUM

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Physical

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Lifecycle Timeline

Analysis Generated

Mar 12, 2026 - 22:02 vuln.today

CVE Published

Feb 11, 2026 - 23:16 nvd

MEDIUM 4.6

DescriptionCVE.org

The issue was addressed with improved memory handling. This issue is fixed in macOS Sequoia 15.7.4, iOS 18.7.5 and iPadOS 18.7.5, macOS Tahoe 26.3, macOS Sonoma 14.8.4. An app may be able to crash a system process.

AnalysisAI

System process denial of service affecting Apple macOS, iOS, and iPadOS through improper memory handling allows local attackers with physical access to crash critical system processes. The vulnerability impacts multiple recent OS versions including macOS Sequoia 15.7.4, iOS 18.7.5, iPadOS 18.7.5, and newer releases, with patches available for affected users. This could enable attackers to disrupt system stability and availability on vulnerable Apple devices.

Technical ContextAI

Classified as CWE-119 (Buffer Overflow). Affects Ipados. The issue was addressed with improved memory handling. This issue is fixed in macOS Sequoia 15.7.4, iOS 18.7.5 and iPadOS 18.7.5, macOS Tahoe 26.3, macOS Sonoma 14.8.4. An app may be able to crash a system process.