Description
The issue was addressed with improved memory handling. This issue is fixed in Safari 18.6, iOS 18.6 and iPadOS 18.6, macOS Sequoia 15.6, tvOS 18.6, visionOS 2.6, watchOS 11.6. Processing maliciously crafted web content may lead to memory corruption.
Exploits (1)
References (12)
Core 12
Core References
Various Sources
https://cloud.google.com/blog/topics/threat-intelligence/darksword-ios-exploit-chain/
Third Party Advisory, US Government Resource
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-31277
Release Notes, Vendor Advisory
https://support.apple.com/en-us/124147
Release Notes, Vendor Advisory
https://support.apple.com/en-us/124149
Release Notes, Vendor Advisory
https://support.apple.com/en-us/124152
Release Notes, Vendor Advisory
https://support.apple.com/en-us/124153
Release Notes, Vendor Advisory
https://support.apple.com/en-us/124154
Release Notes, Vendor Advisory
https://support.apple.com/en-us/124155
Mailing List
http://seclists.org/fulldisclosure/2025/Aug/0
Mailing List
http://seclists.org/fulldisclosure/2025/Jul/30
Mailing List
http://seclists.org/fulldisclosure/2025/Jul/32
Mailing List
http://seclists.org/fulldisclosure/2025/Jul/36
Scores
CVSS v3
8.8
EPSS
0.0017
EPSS Percentile
37.9%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
total
Details
CISA KEV
2026-03-20
VulnCheck KEV
2026-03-18
ENISA EUVD
EUVD-2025-23063
CWE
CWE-119
Status
published
Products (19)
Apple/iOS and iPadOS
< 18.6
Apple/iOS and iPadOS
unspecified - 18.6
apple/ipados
< 18.6
apple/iphone_os
< 18.6
Apple/macOS
< 15.6
apple/macos
15.0 - 15.6
Apple/macOS
unspecified - 15.6
apple/safari
< 18.6
Apple/Safari
< 18.6
Apple/Safari
unspecified - 18.6
... and 9 more
Published
Jul 30, 2025
KEV Added
Mar 20, 2026
Tracked Since
Feb 18, 2026