High severity8.8NVD Advisory· Published Feb 11, 2026· Updated Apr 2, 2026

CVE-2026-20616

Description

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 Sonoma 14.8.4, macOS Tahoe 26.3, visionOS 26.3. Processing a maliciously crafted USD file may lead to unexpected app termination.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Apple Inc./Ipados
cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*
Range: <18.7.5
Apple Inc./Iphone OS
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
Range: <18.7.5
Apple Inc./macOS
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*
Range: >=14.0,<14.8.4
Apple Inc./Visionos2 versions
cpe:2.3:o:apple:visionos:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:apple:visionos:*:*:*:*:*:*:*:*range: <26.3
- (no CPE)range: <26.3
Cisco Systems, Inc./Cisco iOSllm-fuzzy
Range: <18.7.5
Apple Inc./macOS Tahoellm-fuzzy
Range: <26.3

Patches

Vulnerability mechanics

References

support.apple.com/en-us/126347nvdRelease NotesVendor Advisory
support.apple.com/en-us/126348nvdRelease NotesVendor Advisory
support.apple.com/en-us/126350nvdRelease NotesVendor Advisory
support.apple.com/en-us/126353nvdRelease NotesVendor Advisory
www.zerodayinitiative.com/advisories/ZDI-26-176/nvd

News mentions

ZDI-26-176: Apple macOS libusd_ms Alembic File Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability
Zero Day Initiative · Mar 10, 2026

cvss	0.572
epss	0.000
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000