CVE-2026-20620
published 2026-02-11CVE-2026-20620: An out-of-bounds read issue was addressed with improved input validation. This issue is fixed in macOS Sequoia 15.7.4, macOS Sonoma 14.8.4, macOS Tahoe 26.3…
PriorityP339high7.7CVSS 3.1
AVLACLPRNUINSUCHINAH
EPSS
0.20%
9.9th percentile
An out-of-bounds read issue was addressed with improved input validation. This issue is fixed in macOS Sequoia 15.7.4, macOS Sonoma 14.8.4, macOS Tahoe 26.3. An attacker may be able to cause unexpected system termination or read kernel memory.
Affected
9 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| apple | macos | < 14.8.4 | 14.8.4 |
| apple | macos | < 15.7.4 | 15.7.4 |
| apple | macos | < 26.3 | 26.3 |
| apple | macos | >= 14.0 < 14.8.4 | 14.8.4 |
| apple | macos | >= 15.0 < 15.7.4 | 15.7.4 |
| apple | macos | >= 26.0 < 26.3 | 26.3 |
| apple | macos_sequoia | — | — |
| apple | macos_sonoma | — | — |
| apple | macos_tahoe | — | — |
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GHSA
GHSA-3jj8-9qpj-6989: An out-of-bounds read issue was addressed with improved input validation
ghsa_unreviewed·2026-02-12
CVE-2026-20620 [HIGH] CWE-125 GHSA-3jj8-9qpj-6989: An out-of-bounds read issue was addressed with improved input validation
An out-of-bounds read issue was addressed with improved input validation. This issue is fixed in macOS Sequoia 15.7.4, macOS Tahoe 26.3, macOS Sonoma 14.8.4. An attacker may be able to cause unexpected system termination or read kernel memory.
Apple
CVE-2026-20620: macOS Tahoe 26.3
vendor_apple·2026-02-11·CVSS 7.7
CVE-2026-20620 [HIGH] CVE-2026-20620: macOS Tahoe 26.3
Apple Security Update: About the security content of macOS Tahoe 26.3
Product: macOS Tahoe
Version: 26.3
CVE: CVE-2026-20620
Component: GPU Drivers
Impact: An attacker may be able to cause unexpected system termination or read kernel memory
Description: An out-of-bounds read issue was addressed with improved input validation.
Apple
CVE-2026-20620: macOS Sonoma 14.8.4
vendor_apple·2026-02-11·CVSS 7.7
CVE-2026-20620 [HIGH] CVE-2026-20620: macOS Sonoma 14.8.4
Apple Security Update: About the security content of macOS Sonoma 14.8.4
Product: macOS Sonoma
Version: 14.8.4
CVE: CVE-2026-20620
Component: GPU Drivers
Impact: An attacker may be able to cause unexpected system termination or read kernel memory
Description: An out-of-bounds read issue was addressed with improved input validation.
Apple
CVE-2026-20620: macOS Sequoia 15.7.4
vendor_apple·2026-02-11·CVSS 7.7
CVE-2026-20620 [HIGH] CVE-2026-20620: macOS Sequoia 15.7.4
Apple Security Update: About the security content of macOS Sequoia 15.7.4
Product: macOS Sequoia
Version: 15.7.4
CVE: CVE-2026-20620
Component: GPU Drivers
Impact: An attacker may be able to cause unexpected system termination or read kernel memory
Description: An out-of-bounds read issue was addressed with improved input validation.
No detection rules found.
No public exploits indexed.
2026-02-11
Published