CVE WatchSep 21, 2026

CVE-2025-31277

Apple Multiple Products Buffer Overflow Vulnerability

CVSS

8.8

High

EPSS

1.6%

p75

KEV

YES

Mar 20, 2026

Exploit Today

0-100

Published: Jul 30, 2025 · Last modified: Sep 21, 2026 · CWE-119 · CWE-120

EPSS · 30d

1.5%EPSS · 30 days1.6%

2026-09-162026-10-14

KEV catalog record

Product

Apple / Multiple Products

Vulnerability

Apple Multiple Products Buffer Overflow Vulnerability

Added to KEV

Mar 20, 2026

Remediate by

Apr 3, 2026

Known ransomware use

Summary description

Apple Safari, iOS, watchOS, visionOS, iPadOS, macOS, and tvOS contain a buffer overflow vulnerability that could allow the processing of maliciously crafted web content which may lead to memory corruption.

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.

Notes

https://support.apple.com/en-us/124147 ; https://support.apple.com/en-us/124149 ; https://support.apple.com/en-us/124152 ; https://support.apple.com/en-us/124153 ; https://support.apple.com/en-us/124155 ; https://nvd.nist.gov/vuln/detail/CVE-2025-31277

Technical 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.

Official references

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