CVE-2025-43264

HIGHNVD 8.88.8—

8.8

The issue was addressed with improved memory handling. This issue is fixed in macOS Sequoia 15.6. Processing a maliciously crafted image may corrupt process memory.

CVSS v3: 8.8
EG Score: 8.8(medium)
EPSS: 9.5%
KEV: Not listed

Published

April 2, 2026

Last Modified

April 3, 2026

Advisory Details (1)

Auto-updated May 22, 2026

No patch confirmed yet.

generic

About the security content of macOS Sequoia 15.6 - Apple Support

https://support.apple.com/en-us/124149

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-119Buffer Operations Within Bounds (Buffer Overflow)

Data Freshness Timeline

(refreshed 20× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-31 22:30 UTCepss_batch
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Frequently asked(5)

What is CVE-2025-43264?

CVE-2025-43264 is a high vulnerability published on April 2, 2026. The issue was addressed with improved memory handling. This issue is fixed in macOS Sequoia 15.6. Processing a maliciously crafted image may corrupt process memory.

When was CVE-2025-43264 disclosed?

CVE-2025-43264 was first published in the National Vulnerability Database on April 2, 2026, with the most recent update on April 3, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2025-43264 actively exploited?

CVE-2025-43264 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 9.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2025-43264?

CVE-2025-43264 has a CVSS v3 base score of 8.8 (NVD).

How do I remediate CVE-2025-43264?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-43264, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2025-43264

📅 Published

🔄 Last Modified

📋 Advisory Details (1)

About the security content of macOS Sequoia 15.6 - Apple Support

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2025-43264?

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Last Modified

Advisory Details (1)

Frequently asked(5)

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