A file access issue was addressed with improved input validation.

published 2026-03-25 7 mo ago modified 2026-06-17 4 mo ago also EUVD-2026-15119

cvss: 6.5; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.3%; EPSS 0.3% chance of exploitation in 30 days, percentile 28%
public exploits: 0; none known

A file access issue was addressed with improved input validation. This issue is fixed in macOS Tahoe 26.4. An attacker may gain access to protected parts of the file system.

Patch / fix

fixed in 1

Apple macOS 26.4

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 7 mo ago (2026-03-25)

Exploit prediction

0.35% chance of exploitation in the next 30 days, higher than 28% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CISA ADP	3.1	6.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
CNA	3.1	6.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Affected products

Apple macOS

References

support.apple.com /en-us/126794
release-notes, vendor-advisory

Sources

CVE List CVE-2026-28844
NVD CVE-2026-28844

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary