CVE-2025-31277

HIGH CISA KEV EPSS 69.6%
Published Jul 30, 202511mo ago · Modified Jun 17, 20261w ago
8.8 CVSS 3.1
High
Find Similar
Published Jul 30, 2025 11mo ago
Last Modified Jun 17, 2026 1w ago
KEV Listed Mar 20, 2026 3mo ago
KEV Due Apr 3, 2026 87d overdue

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.

CVSS Details

Base Score
8.8
Exploitability
2.8
Impact
5.9
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction Required
Scope Unchanged
Confidentiality High
Integrity High
Availability High

Threat Intelligence

CISA Known Exploited Overdue 87d
Added
Mar 20, 2026
Due
Apr 3, 2026

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

EPSS Exploit Probability
69.6% percentile
Exploit & Patch Status
Actively Exploited (KEV)
No Patch Available

Weaknesses 1

CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer Memory Safety

Affected Products 7

VendorProductVersionRange
applesafari* <18.6
appleipados* <18.6
appleiphone_os* <18.6
applemacos*≥15.0  –  <15.6
appletvos* <18.6
applevisionos* <2.6
applewatchos* <11.6

References 12

  • seclists.org http://seclists.org/fulldisclosure/2025/Aug/0
    Mailing ListThird Party Advisory
  • seclists.org http://seclists.org/fulldisclosure/2025/Jul/30
    Mailing ListThird Party Advisory
  • seclists.org http://seclists.org/fulldisclosure/2025/Jul/32
    Mailing ListThird Party Advisory
  • seclists.org http://seclists.org/fulldisclosure/2025/Jul/36
    Mailing ListThird Party Advisory
  • cloud.google.com https://cloud.google.com/blog/topics/threat-intelligence/darksword-ios-exploit-chain/
    Technical Description
  • support.apple.com https://support.apple.com/en-us/124147
    Release NotesVendor Advisory
  • support.apple.com https://support.apple.com/en-us/124149
    Release NotesVendor Advisory
  • support.apple.com https://support.apple.com/en-us/124152
    Release NotesVendor Advisory
  • support.apple.com https://support.apple.com/en-us/124153
    Release NotesVendor Advisory
  • support.apple.com https://support.apple.com/en-us/124154
    Release NotesVendor Advisory
  • support.apple.com https://support.apple.com/en-us/124155
    Release NotesVendor Advisory
  • cisa.gov https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-31277
    US Government Resource

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.