What is the CVSS score of CVE-2026-20616?

CVE-2026-20616 has a CVSS 3.1 base score of 8.8 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.0%.

Which versions of Apple are affected by CVE-2026-20616?

Organizations using An out-of-bounds write face significant risk from CVE-2026-20616, a out-of-bounds write vulnerability rated CVSS 8.8.

How to fix or mitigate CVE-2026-20616?

Within 7 days: Identify all affected systems and apply vendor patches promptly. If patching is delayed, consider network segmentation to limit exposure.

Apple CVE-2026-20616

HIGH

Out-of-bounds Write (CWE-787)

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

Apple Memory Corruption Buffer Overflow

8.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

8.8 HIGH

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

Analysis Generated

Mar 12, 2026 - 22:02 vuln.today

CVE Published

Feb 11, 2026 - 23:16 nvd

HIGH 8.8

DescriptionCVE.org

An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 18.7.5 and iPadOS 18.7.5, macOS Tahoe 26.3, macOS Sonoma 14.8.4, visionOS 26.3. Processing a maliciously crafted USD file may lead to unexpected app termination.

AnalysisAI

Memory corruption in Apple's USD file processing across iPhone OS, iPadOS, and visionOS enables attackers to crash applications through crafted malicious files, with high severity impact on confidentiality, integrity, and availability. The vulnerability requires user interaction to trigger (opening a malicious USD file) but needs no special privileges, affecting a large user base across multiple Apple platforms. No patch is currently available for this out-of-bounds write vulnerability.

Technical ContextAI

Classified as CWE-787 (Out-of-bounds Write). Affects Ipados. An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 18.7.5 and iPadOS 18.7.5, macOS Tahoe 26.3, macOS Sonoma 14.8.4, visionOS 26.3. Processing a maliciously crafted USD file may lead to unexpected app termination.

RemediationAI

Monitor vendor advisories for a patch. Enable ASLR, DEP/NX, and stack canaries where possible. Restrict network access to the affected service where possible.