CVE-2026-20637

A use after free issue was addressed with improved memory management

Medium · published March 25, 2026

CVSS v3.1
6.2
EPSS
0%
Percentile
9.9
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
6.2 · MEDIUM
Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00205 · 9.9th percentile
Published
2026-03-25T00:32Z
EPSS history
Timeline
  • 25 MAR 00:32Z
    A use after free issue was addressed with improved memory management
    cvelistv5