CVE-2026-28854: The issue was addressed with additional app bundle integrity checks
Source GCVE Database
Not known to be exploited · CVSS 7.5 High : upgrade to 27 soon.
Data as of 29 Oct 2026, 20:15 UTC
Thin evidence
One scorer or none| CISA-ADP | CVSS 3.1 | 7.5 |
|---|
- EPSS
- 0.1% chance of exploitation in 30 days – higher than 4% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in 27
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:NExploitation evidence
Disclosed: evidence found.
CVE published 20 Oct 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 29 Oct 2026.
What to do
Upgrade macOS to 27.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| ApplemacOS | Affected
| Fixed in
|
AI-suggested
This issue is fixed in macOS Golden Gate 27. Users and administrators should update to this version to ensure the additional app bundle integrity checks are in place. No other mitigation is indicated or required.
Description
CVE-2026-28854 is a vulnerability in macOS Golden Gate 27 where a maliciously modified app may not be prevented from launching due to insufficient app bundle integrity checks. The issue has been addressed by adding additional integrity checks in the fixed version.