CVE-2025-43300

CVE Enrichment

CVSS: 10.0 CRITICAL
EPSS: 32.50%
EPSS Percentile: 98.30%
CISA KEV: YES — Known Exploited Vulnerability

Description

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.

Technical Details

CVSS Version: 3.1
CNA / NVD Source: product-security@apple.com
Published: 21-Aug-2025 08:15
Last Modified: 17-Jun-2026 16:23
EPSS Date: 2026-10-10
CWE: CWE-787

CVSS Vector


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

CISA KEV Details

Date Added: 2025-08-21
Remediation Due: 2025-09-11
Known Ransomware Campaign Use: Unknown
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/124925 ; https://support.apple.com/en-us/124926 ; https://support.apple.com/en-us/124927 ; https://support.apple.com/en-us/124928 ; https://support.apple.com/en-us/124929 ; https://nvd.nist.gov/vuln/detail/CVE-2025-43300

Affected Products / Versions

apple / ipados
Version / affected range: * · before (exclusive) 15.8.5
cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*
apple / ipados
Version / affected range: * · from (inclusive) 16.0 · before (exclusive) 16.7.12
cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*
apple / ipados
Version / affected range: * · from (inclusive) 17.0 · before (exclusive) 17.7.10
cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*
apple / ipados
Version / affected range: * · from (inclusive) 18.0 · before (exclusive) 18.6.2
cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*
apple / iphone_os
Version / affected range: * · before (exclusive) 15.8.5
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
apple / iphone_os
Version / affected range: * · from (inclusive) 16.0 · before (exclusive) 16.7.12
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
apple / iphone_os
Version / affected range: * · from (inclusive) 17.0 · before (exclusive) 18.6.2
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
apple / macos
Version / affected range: * · from (inclusive) 13.0 · before (exclusive) 13.7.8
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*
apple / macos
Version / affected range: * · from (inclusive) 14.0 · before (exclusive) 14.7.8
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*
apple / macos
Version / affected range: * · from (inclusive) 15.0 · before (exclusive) 15.6.1
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*

References

Last enrichment sync: 11-Oct-2026 12:06
Sources: NVD · FIRST EPSS · CISA KEV
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Reported Context (1)

pointed to CVE-2025-55177, a vulnerability in WhatsApp that attackers exploited in combination with CVE-2025-43300, another out-of-bounds zero-day vulnerability, this time in Apple's ImageIQ technology. Apple Patches Actively Exploited Zero-Day in Targeted Attacks

CVE (2)

Malware (1)

People (2)

Vendors (2)

Products (7)

Note: Related entities, including threat actors, malware, CVEs, MITRE ATT&CK techniques, vendors, products, tools, countries, and industries, are shown when they appear in the same reporting. Their presence does not necessarily mean they were targeted, compromised, vulnerable, responsible for the activity, or directly involved in the incident.