CVE-2026-28825

HIGHNVD 7.15.5▼

7.1

An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in macOS Sequoia 15.7.5, macOS Sonoma 14.8.5, macOS Tahoe 26.4. An app may be able to modify protected parts of the file system.

CVSS v3: 7.1
EG Score: 5.5(medium)
EPSS: 16.6%
KEV: Not listed

Published

March 25, 2026

Last Modified

April 27, 2026

References (5)

product-security@applehttps://support.apple.com/en-us/126794
product-security@applehttps://support.apple.com/en-us/126795
product-security@applehttps://support.apple.com/en-us/126796
af854a3a-2127-422b-91ae-364da2661108https://blog.calif.io/p/mad-bugs-an-apple-kernel-bug-brought
134c704f-9b21-4f2e-91b3-4a467353bcc0https://blog.calif.io/p/mad-bugs-an-apple-kernel-bug-brought

Data Freshness Timeline

(refreshed 17× 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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2026-05-31 00:16 UTCepss_batch
2026-05-31 00:16 UTCepss_batch
2026-05-29 13:44 UTCepss_batch
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2026-05-27 13:40 UTCepss_batch
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2026-05-27 13:40 UTCepss_batch
2026-05-26 13:44 UTCepss_batch
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2026-05-24 16:59 UTCepss_batch
2026-05-23 15:21 UTCepss_batch
2026-05-22 21:16 UTCepss_batch

Frequently asked(5)

What is CVE-2026-28825?

CVE-2026-28825 is a high vulnerability published on March 25, 2026. An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in macOS Sequoia 15.7.5, macOS Sonoma 14.8.5, macOS Tahoe 26.4. An app may be able to modify protected parts of the file system.

When was CVE-2026-28825 disclosed?

CVE-2026-28825 was first published in the National Vulnerability Database on March 25, 2026, with the most recent update on April 27, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2026-28825 actively exploited?

CVE-2026-28825 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 16.6% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2026-28825?

CVE-2026-28825 has a CVSS v3 base score of 7.1 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 5.5.

How do I remediate CVE-2026-28825?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-28825, 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-2026-28825

📅 Published

🔄 Last Modified

🔗 References (5)