SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityUndergoing Analysis

CVE-2026-84579

Opening a file referencing a network share may lead to unexpected software execution.

UnscoredEPSS 0.22%

Does this matter?

Not yet scored. NVD analysis is pending; check back once CVSS and EPSS values are published.

Description

A logic issue was addressed with improved checks. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7. Opening a file referencing a network share may lead to unexpected software execution.

CVSS
Not yet scored
EPSS
0.22% probability · 12th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Source
product-security@apple.com
EPSS trend
0%3%5%20 October 2026: 0.18%26 October 2026: 0.22%20 October 202626 October 2026

EPSS moved from 0.2% on 20 October 2026 to 0.2% on 26 October 2026.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.