CVE-2026-20608

MEDIUM

Safari < 26.3 - Denial of Service via Malicious Web Content

Title source: llm

Description

This issue was addressed through improved state management. This issue is fixed in Safari 26.3, iOS 18.7.5 and iPadOS 18.7.5, iOS 26.3 and iPadOS 26.3, macOS Tahoe 26.3, visionOS 26.3. Processing maliciously crafted web content may lead to an unexpected process crash.

References (5)

Core 5

Core References

Release Notes, Vendor Advisory

https://support.apple.com/en-us/126346

Release Notes, Vendor Advisory

https://support.apple.com/en-us/126347

Release Notes, Vendor Advisory

https://support.apple.com/en-us/126348

Release Notes, Vendor Advisory

https://support.apple.com/en-us/126353

Release Notes, Vendor Advisory

https://support.apple.com/en-us/126354

Scores

CVSS v3 5.5

EPSS 0.0011

EPSS Percentile 1.5%

Attack Vector LOCAL

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-770

Status published

Products (10)

Apple/iOS and iPadOS < 18.7.5

Apple/iOS and iPadOS < 26.3

apple/ipados < 18.7.5

apple/iphone_os < 18.7.5

apple/macos < 26.3

Apple/macOS < 26.3

apple/safari < 26.3

Apple/Safari < 26.3

apple/visionos < 26.3

Apple/visionOS < 26.3

Published Feb 11, 2026

Tracked Since Feb 18, 2026