CVE-2026-28955

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2026-28955
The issue was addressed with improved memory handling. This issue is fixed in Safari 26.5, iOS 18.7.9 and iPadOS 18.7.9, iOS 26.5 and iPadOS 26.5, macOS Tahoe 26.5, tvOS 26.5, visionOS 26.5, watchOS 26.5. Processing maliciously crafted web content may lead to an unexpected process crash.

8.8 /10

CVSS v3 : HIGH

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://support.apple.com/en-us/127110 Release Notes Vendor Advisory
https://support.apple.com/en-us/127111 Release Notes Vendor Advisory
https://support.apple.com/en-us/127115 Release Notes Vendor Advisory
https://support.apple.com/en-us/127118 Release Notes Vendor Advisory
https://support.apple.com/en-us/127119 Release Notes Vendor Advisory
https://support.apple.com/en-us/127120 Release Notes Vendor Advisory
https://support.apple.com/en-us/127121
https://www.zerodayinitiative.com/advisories/ZDI-26-312/
Configurations

Configuration 1 (hide)

OR 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

22 May 2026, 14:16

Type Values Removed Values Added
References
  • () https://www.zerodayinitiative.com/advisories/ZDI-26-312/ -
CVSS v2 : unknown
v3 : 7.5 		v2 : unknown
v3 : 8.8

13 May 2026, 21:16

Type Values Removed Values Added
Summary (en) The issue was addressed with improved memory handling. This issue is fixed in iOS 18.7.9 and iPadOS 18.7.9, iOS 26.5 and iPadOS 26.5, macOS Tahoe 26.5, tvOS 26.5, visionOS 26.5, watchOS 26.5. Processing maliciously crafted web content may lead to an unexpected process crash. (en) The issue was addressed with improved memory handling. This issue is fixed in Safari 26.5, iOS 18.7.9 and iPadOS 18.7.9, iOS 26.5 and iPadOS 26.5, macOS Tahoe 26.5, tvOS 26.5, visionOS 26.5, watchOS 26.5. Processing maliciously crafted web content may lead to an unexpected process crash.
References
  • () https://support.apple.com/en-us/127121 -

13 May 2026, 14:37

Type Values Removed Values Added
First Time Apple iphone Os
Apple tvos
Apple visionos
Apple watchos
Apple
Apple macos
Apple ipados
References () https://support.apple.com/en-us/127110 - () https://support.apple.com/en-us/127110 - Release Notes, Vendor Advisory
References () https://support.apple.com/en-us/127111 - () https://support.apple.com/en-us/127111 - Release Notes, Vendor Advisory
References () https://support.apple.com/en-us/127115 - () https://support.apple.com/en-us/127115 - Release Notes, Vendor Advisory
References () https://support.apple.com/en-us/127118 - () https://support.apple.com/en-us/127118 - Release Notes, Vendor Advisory
References () https://support.apple.com/en-us/127119 - () https://support.apple.com/en-us/127119 - Release Notes, Vendor Advisory
References () https://support.apple.com/en-us/127120 - () https://support.apple.com/en-us/127120 - Release Notes, Vendor Advisory
CPE cpe:2.3:o:apple:visionos:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*

12 May 2026, 20:16

Type Values Removed Values Added
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 7.5
CWE CWE-119

11 May 2026, 21:18

Type Values Removed Values Added
New CVE
Information

Published : 2026-05-11 21:18

Updated : 2026-05-22 14:16

NVD link : CVE-2026-28955

Mitre link : CVE-2026-28955

CVE.ORG link : CVE-2026-28955

JSON object : View

Products Affected

apple

  • ipados
  • tvos
  • watchos
  • visionos
  • macos
  • iphone_os
CWE
CWE-119

Improper Restriction of Operations within the Bounds of a Memory Buffer