CVE-2026-20609 Details
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, tvOS 26.3, visionOS 26.3, watchOS 26.3. Processing a maliciously crafted file may lead to a denial-of-service or potentially disclose memory contents.
A vulnerability has been identified in various Apple products, including watchOS, tvOS, macOS Tahoe, macOS Sonoma, macOS Sequoia, iOS, iPadOS, and visionOS. This vulnerability arises from improper memory handling, which can lead to a denial-of-service condition or potentially disclose memory contents. The issue is present in several different versions and ranges of these operating systems.
Users can update to the latest versions of the affected operating systems to address this vulnerability. Instructions for updating can be found on the Apple Support website.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Feb 13, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://support.apple.com/en-us/126346 | [email protected] | Release NotesVendor Advisory |
| https://support.apple.com/en-us/126347 | [email protected] | Release NotesVendor Advisory |
| https://support.apple.com/en-us/126348 | [email protected] | Release NotesVendor Advisory |
| https://support.apple.com/en-us/126349 | [email protected] | Release NotesVendor Advisory |
| https://support.apple.com/en-us/126350 | [email protected] | Release NotesVendor Advisory |
| https://support.apple.com/en-us/126351 | [email protected] | Release NotesVendor Advisory |
| https://support.apple.com/en-us/126352 | [email protected] | Release NotesVendor Advisory |
| https://support.apple.com/en-us/126353 | [email protected] | Release NotesVendor Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-125 | Out-of-bounds Read | CISA-ADP |
Affected Products
| Product | Versions |
|---|---|
| apple ipados | < 18.7.5 >= 26.0, < 26.3 |
CPE
Remediation
| |
| apple iphone os | < 18.7.5 >= 26.0, < 26.3 |
CPE
Remediation
| |
| apple macos | < 14.8.4 >= 15.0, < 15.7.4 >= 26.0, < 26.3 |
CPE
Remediation
| |
| apple tvos | < 26.3 |
CPE
Remediation
| |
| apple visionos | < 26.3 |
CPE
Remediation
| |
| apple watchos | < 26.3 |
CPE
Remediation
| |
Change History
6 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| Apr 2, 2026 | CVE Modified | [email protected] |
| Feb 13, 2026 | Initial Analysis | [email protected] |
| Feb 13, 2026 | CVE Modified | CISA-ADP |
| Feb 11, 2026 | New CVE Received | [email protected] |