CVE-2026-20637
Description
A use after free issue was addressed with improved memory management. This issue is fixed in iOS 18.7.7 and iPadOS 18.7.7, iOS 26.3 and iPadOS 26.3, macOS Sequoia 15.7.5, macOS Sonoma 14.8.5, macOS Tahoe 26.3, tvOS 26.3, visionOS 26.3, watchOS 26.3. An app may be able to cause unexpected system termination.
Risk Information
Base Score
6.2
MODERATE
Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS Score
Exploitation Probability
0.014
Associated Vulnerability
| Vulnerability | OS Platform |
|---|---|
| Multiple vulnerabilities are fixed in macOS Tahoe 26.3 (Software Update) (Auto Reboot) | Mac |
| Multiple vulnerabilities are fixed in Mac OS - Sonoma 14.8.5 (Software Update)(Auto Reboot) | Mac |
| Multiple vulnerabilities are fixed in Mac OS Sequoia 15.7.5 (Software Update) (Auto Reboot) | Mac |
Patch Details
Click to see the patches provided by ManageEngine for this CVE
| Patch ID | Patch Description |
|---|---|
| PATCH-613562 | macOS Tahoe 26.3 (Software Update) (Auto Reboot) |
| PATCH-614082 | Mac OS - Sonoma 14.8.5 (Software Update)(Auto Reboot) |
| PATCH-614081 | Mac OS Sequoia 15.7.5 (Software Update) (Auto Reboot) |
References
https://nvd.nist.gov/vuln/detail/CVE-2023-1234
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-1234