# CVE-2025-31277

## Summary

- **CVE ID:** CVE-2025-31277
- **Severity:** HIGH
- **CVSS Score:** 8.8 (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)
- **CWE:** N/A
- **Published:** Jul 29, 2025
- **Last Modified:** Sep 1, 2026

## Description

The issue was addressed with improved memory handling. This issue is fixed in Safari 18.6, watchOS 11.6, visionOS 2.6, iOS 18.6 and iPadOS 18.6, macOS Sequoia 15.6, tvOS 18.6. Processing maliciously crafted web content may lead to memory corruption.

## Affected Products

- Apple — Safari (unspecified)
- Apple — macOS (unspecified)
- Apple — tvOS (unspecified)
- Apple — visionOS (unspecified)
- Apple — watchOS (unspecified)
- Apple — iOS and iPadOS (unspecified)
- Apple — Safari (0)
- Apple — iOS and iPadOS (0)
- Apple — macOS (0)
- Apple — tvOS (0)
- Apple — visionOS (0)
- Apple — watchOS (0)

## References

- [CNA](https://support.apple.com/en-us/124152)
- [CNA](https://support.apple.com/en-us/124149)
- [CNA](https://support.apple.com/en-us/124153)
- [CNA](https://support.apple.com/en-us/124154)
- [CNA](https://support.apple.com/en-us/124155)
- [CNA](https://support.apple.com/en-us/124147)
- [CVE](http://seclists.org/fulldisclosure/2025/Aug/0)
- [CVE](http://seclists.org/fulldisclosure/2025/Jul/36)
- [CVE](http://seclists.org/fulldisclosure/2025/Jul/32)
- [CVE](http://seclists.org/fulldisclosure/2025/Jul/30)
- [CISA-ADP](https://cloud.google.com/blog/topics/threat-intelligence/darksword-ios-exploit-chain/)
- [CISA-ADP](https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-31277)
- [redhat-SADP](https://access.redhat.com/security/cve/CVE-2025-31277)
- [redhat-SADP](https://bugzilla.redhat.com/show_bug.cgi?id=2448780)
- [redhat-SADP](https://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-31277.json)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2025:19352)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2025:17802)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2025:19157)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2025:19165)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2025:19109)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2025:17807)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2025:17643)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2025:17743)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2025:17741)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2025:18097)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 1.53%
- **EPSS Percentile:** 73.6

## Known Exploited Vulnerabilities (KEV)

- **Date Added:** Mar 20, 2026
- **Due Date:** Apr 3, 2026

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-18._