CVE-2026-20602

MEDIUM

macOS < 14.8.4, < 15.7.4, < 26.3 - Denial of Service via Cache Handling

Title source: llm
STIX 2.1

Description

The issue was addressed with improved handling of caches. This issue is fixed in macOS Sequoia 15.7.4, macOS Sonoma 14.8.4, macOS Tahoe 26.3. An app may be able to cause a denial-of-service.

References (3)

Core 3
Core References
Release Notes, Vendor Advisory
https://support.apple.com/en-us/126348
Release Notes, Vendor Advisory
https://support.apple.com/en-us/126349
Release Notes, Vendor Advisory
https://support.apple.com/en-us/126350

Scores

CVSS v3 5.5
EPSS 0.0014
EPSS Percentile 3.5%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-400
Status published
Products (4)
apple/macos < 14.8.4
Apple/macOS < 14.8.4
Apple/macOS < 15.7.4
Apple/macOS < 26.3
Published Feb 11, 2026
Tracked Since Feb 18, 2026