CVE-2025-31277

HIGH8.8

CISA KEV

Published 2025-07-30 · Updated 2026-09-21 · Source product-security@apple.com

Summary

CVE-2025-31277 is a high-severity (CVSS 8.8) vulnerability in Apple Multiple Products. CISA added it to the Known Exploited Vulnerabilities catalog on March 20, 2026, which means exploitation in the wild has been confirmed; US federal agencies had to remediate it by April 3, 2026. CISA does not currently list it as used in ransomware campaigns. Apple has 96 vulnerabilities in the KEV catalog, 0 of them linked to ransomware.

All 96 known-exploited Apple vulnerabilities →

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 vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CWE-119CWE-120

CISA Known-Exploited Vulnerability

Product: Apple — Multiple Products

Name: Apple Multiple Products Buffer Overflow Vulnerability

Date added: 2026-03-20 · Due: 2026-04-03

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

References

View on NVD

More exploited Apple vulnerabilities

Most recently added to CISA KEV

CVE-2024-27834
Multiple Products — Apple Multiple Products Improper Authentication Vulnerability
added 2026-11-04
CVE-2026-86950
Multiple Products — Apple Multiple Products Out-of-Bounds Write Vulnerability
added 2026-09-29
CVE-2026-65400
macOS — Apple macOS Improper Authentication Vulnerability
added 2026-08-18
CVE-2025-43510
Multiple Products — Apple Multiple Products Improper Locking Vulnerability
added 2026-03-20
CVE-2025-43520
Multiple Products — Apple Multiple Products Classic Buffer Overflow Vulnerability
added 2026-03-20
CVE-2023-43000
Multiple Products — Apple Multiple products Use-After-Free Vulnerability
added 2026-03-05

View all →

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