Is CVE-2025-31277 actively exploited?

CVE-2025-31277 has no public evidence of in-the-wild exploitation as of 2026-04-03.

What is the CVSS score for CVE-2025-31277?

CVE-2025-31277 has a CVSS score of 8.8 (HIGH severity). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

How do I patch CVE-2025-31277?

Patch guidance is available from apple security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2025-31277.

Fix CVE-2025-31277 - HIGH apple safari

Q: Which products are affected by CVE-2025-31277?

7 products: apple safari, apple ipados, apple iphone os, apple macos, apple tvos, and 2 more.

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 Metrics

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack Vector: network
Complexity: low
Privileges: none
User Action: required
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: high
Weaknesses: CWE-119 · Memory Buffer Errors

Metadata

Primary Vendor: APPLE
Published: 7/30/2025
Last Modified: 4/3/2026
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

Affected Products

apple : safariapple : ipadosapple : iphone_osapple : macosapple : tvosapple : visionosapple : watchos

Remediation Guidance

Executive Summary

View on NIST NVD