CVE-2026-20621
Description
The issue was addressed with improved memory handling. 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, visionOS 26.3. An app may be able to cause unexpected system termination or corrupt kernel memory.
CWE
- CWE-119 — CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
Affected
- Apple / iOS and iPadOS — v=0 <18.7.5 [affected]; v=0 <26.3 [affected]
- Apple / macOS — v=0 <14.8.4 [affected]; v=0 <15.7.4 [affected]; v=0 <26.3 [affected]
- Apple / visionOS — v=0 <26.3 [affected]
CVSS
- (none)
References
- https://support.apple.com/en-us/126346
- https://support.apple.com/en-us/126347
- https://support.apple.com/en-us/126348
- https://support.apple.com/en-us/126349
- https://support.apple.com/en-us/126350
- https://support.apple.com/en-us/126353
Source
cvelistV5-main/cves/2026/20xxx/CVE-2026-20621.json