CVE-2026-20665

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2026-20665
This issue was addressed through improved state management. This issue is fixed in Safari 26.4, iOS 18.7.7 and iPadOS 18.7.7, iOS 26.4 and iPadOS 26.4, macOS Tahoe 26.4, tvOS 26.4, visionOS 26.4, watchOS 26.4. Processing maliciously crafted web content may prevent Content Security Policy from being enforced.

6.5 /10

CVSS v3 : MEDIUM

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 2.5

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact NONE

Availability Impact LOW

Scope UNCHANGED

References
Link Resource
https://support.apple.com/en-us/126792 Release Notes Vendor Advisory
https://support.apple.com/en-us/126793 Release Notes Vendor Advisory
https://support.apple.com/en-us/126794 Release Notes Vendor Advisory
https://support.apple.com/en-us/126797 Release Notes Vendor Advisory
https://support.apple.com/en-us/126798 Release Notes Vendor Advisory
https://support.apple.com/en-us/126799 Release Notes Vendor Advisory
https://support.apple.com/en-us/126800 Release Notes Vendor Advisory
Configurations

Configuration 1 (hide)

OR cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:visionos:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*
History

25 Mar 2026, 21:54

Type Values Removed Values Added
References () https://support.apple.com/en-us/126792 - () https://support.apple.com/en-us/126792 - Release Notes, Vendor Advisory
References () https://support.apple.com/en-us/126793 - () https://support.apple.com/en-us/126793 - Release Notes, Vendor Advisory
References () https://support.apple.com/en-us/126794 - () https://support.apple.com/en-us/126794 - Release Notes, Vendor Advisory
References () https://support.apple.com/en-us/126797 - () https://support.apple.com/en-us/126797 - Release Notes, Vendor Advisory
References () https://support.apple.com/en-us/126798 - () https://support.apple.com/en-us/126798 - Release Notes, Vendor Advisory
References () https://support.apple.com/en-us/126799 - () https://support.apple.com/en-us/126799 - Release Notes, Vendor Advisory
References () https://support.apple.com/en-us/126800 - () https://support.apple.com/en-us/126800 - Release Notes, Vendor Advisory
First Time Apple tvos
Apple safari
Apple ipados
Apple watchos
Apple iphone Os
Apple visionos
Apple macos
Apple
CPE cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*
cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:visionos:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*

25 Mar 2026, 20:16

Type Values Removed Values Added
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 6.5
CWE CWE-693

25 Mar 2026, 01:17

Type Values Removed Values Added
New CVE
Information

Published : 2026-03-25 01:17

Updated : 2026-03-25 21:54

NVD link : CVE-2026-20665

Mitre link : CVE-2026-20665

CVE.ORG link : CVE-2026-20665

JSON object : View

Products Affected

apple

  • watchos
  • safari
  • iphone_os
  • visionos
  • tvos
  • ipados
  • macos
CWE
CWE-693

Protection Mechanism Failure