KEV · Actively exploited

CVE-2025-43300

CVE-2025-43300 is actively exploited (CISA KEV catalog) : critical severity (CVSS 10.0), 0 tracked apps concerned, none still exposed on their current version.

Severity (CVSS): 10.0
Exploitation: Confirmed
Tracked apps: 0
Still exposed: 0

Published on 2025-08-21

An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 15.8.5 and iPadOS 15.8.5, iOS 16.7.12 and iPadOS 16.7.12, iOS 18.6.2 and iPadOS 18.6.2, iPadOS 17.7.10, macOS Sequoia 15.6.1, macOS Sonoma 14.7.8, macOS Ventura 13.7.8. Processing a malicious image file may result in memory corruption. Apple is aware of a report that this issue may have been exploited in an extremely sophisticated attack against specific targeted individuals.

Attack vector : Network No privileges required No user interaction

Show raw CVSS vector

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

EPSS 21.99% predictive model; CISA confirms active exploitation percentile 97.6%

CISA Known Exploited Vulnerability

Added to KEV: 2025-08-21
Remediation deadline: 2025-09-11
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.
Ransomware: Unknown (not documented by CISA)

OS versions that fix this CVE

This CVE is resolved by the following OS security releases. Update the OS to at least the listed version.

iOS Fixed in 18.6.2 16.7.12 15.8.5
iPadOS Fixed in 18.6.2 17.7.10 16.7.12 15.8.5
macOS Fixed in 15.6.1 14.7.8 13.7.8

View on NVD ↗ CISA KEV catalog ↗ Advisory · support.apple.com

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