The issue was addressed with additional app bundle integrity checks.

published 2026-10-20 20 d ago modified 2026-10-29 10 d ago also EUVD-2026-104698

cvss: 7.5; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.2%; EPSS 0.2% chance of exploitation in 30 days, percentile 7%
public exploits: 0; none known

The issue was addressed with additional app bundle integrity checks. This issue is fixed in macOS Golden Gate 27. A maliciously modified app may not be prevented from launching.

Patch / fix

fixed in 1

Apple macOS 27

CISA SSVC

Exploitation: none
Automatable: yes
Technical impact: partial
Assessed: 10 d ago (2026-10-29)

Exploit prediction

0.18% chance of exploitation in the next 30 days, higher than 7% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CISA ADP	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
NVD	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
CNA	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Affected products

Apple macOS

Classification

Weakness

CWE-353 Missing Support for Integrity Check
CWE-354 Improper Validation of Integrity Check Value

References

support.apple.com /en-us/149035
vendor-advisory

Sources

CVE List CVE-2026-28854
NVD CVE-2026-28854

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