Vulnerability · NVD
CVE-2026-20639
HIGH 7.5
An integer overflow was addressed with improved input validation. This issue is fixed in macOS Sequoia 15.7.5, macOS Sonoma 14.8.5, macOS Tahoe 26.3. Processing a maliciously crafted string may lead to heap corruption.
Attack vector : Network
No privileges required
No user interaction
Show raw CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
0.60%
exploit very unlikely
percentile 45.5%
OS versions that fix this CVE
This CVE is resolved by the following OS security releases. Update the OS to at least the listed version.