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HIGH

CVE-2026-84544

CVSS v3

7.5

HIGH

EPSS Score

0.6 %

exploit probability, as of 2026-09-29

CISA KEV

No

known exploited

Exploitation

—

SSVC status

Description

An integer overflow was addressed with improved input validation. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7. Connecting to a malicious NFS server may cause unexpected system termination or corrupt kernel memory.

Technical details

Published
2026-09-14
Last Modified
2026-09-16

Frequently asked questions

What is CVE-2026-84544?

An integer overflow was addressed with improved input validation. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7. Connecting to a malicious NFS server may cause unexpected system termination or corrupt kernel memory.

Is CVE-2026-84544 actively exploited?

Active exploitation of CVE-2026-84544 has not been confirmed. Its EPSS score was 0.6% on 2026-09-29, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2026-84544?

CVE-2026-84544 has a CVSS v3 base score of 7.5 (HIGH severity).

Is CVE-2026-84544 affecting your environment?

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