VDB
CVE-2026-20621
CVE-2026-20621
PUBLISHED
CVSS 5.5 MEDIUM
The issue was addressed with improved memory handling. This issue is fixed in 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. An app may be able to cause unexpected system termination or corrupt kernel memory.
EPSS 0.02% · 3.8th percentile
Risk Scores
CVSS v3.1
5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS Score
0.02%
3.8th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| apple | macos | 15.0, 26.0, 0 |
| apple | ipados | 0 |
| Apple | macOS | 0, 0, 0 |
| Apple | iOS and iPadOS | 0, 0 |
| Apple | visionOS | 0 |
| apple | iphone_os | 0 |
Timeline
- Feb 11, 2026 CVE Published
- Feb 12, 2026 EPSS Score
- Feb 14, 2026 EPSS Score
- Feb 16, 2026 EPSS Score
- Feb 18, 2026 EPSS Score
- Feb 20, 2026 EPSS Score
- Feb 22, 2026 EPSS Score
- Feb 24, 2026 EPSS Score
- Feb 26, 2026 EPSS Score
- Feb 27, 2026 EPSS Score
- Mar 1, 2026 EPSS Score
- Mar 3, 2026 EPSS Score
References
- https://support.apple.com/en-us/126346 advisory
- https://support.apple.com/en-us/126353 advisory
- https://support.apple.com/en-us/126347 advisory
- https://support.apple.com/en-us/126352 advisory
- https://support.apple.com/en-us/126348 advisory
- https://support.apple.com/en-us/126349 advisory
- https://support.apple.com/en-us/126351 advisory
- https://support.apple.com/en-us/126350 advisory
- https://support.apple.com/en-us/126354 advisory
- https://nvd.nist.gov/vuln/detail/CVE-2026-20621 advisory