CVE-2025-31277

high-risk
Published 2025-07-30

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.

Do I need to act?

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0.18% chance of exploitation
EPSS score — low exploit probability
!
CISA KEV: actively exploited in the wild
On the Known Exploited Vulnerabilities catalog — federal agencies must patch
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
8
CVSS 8.8/10 High
NETWORK / LOW complexity

Affected Products (7)

Affected Vendors

Apple

References (12)

Release Notes https://support.apple.com/en-us/124147
Release Notes https://support.apple.com/en-us/124149
Release Notes https://support.apple.com/en-us/124152
Release Notes https://support.apple.com/en-us/124153
Release Notes https://support.apple.com/en-us/124154
Release Notes 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
Technical Description https://cloud.google.com/blog/topics/threat-intelligence/darksword-ios-exploit-c...
US Government Resource https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-...
52
/ 100
high-risk
Severity 30/34 · Critical
Exploitability 8/34 · Low
Exposure 14/34 · Moderate