Vulnerability · Published May 11, 2026 · Assigned by apple
CVE-2026-28954
High 7.5
In plain English
A high-severity authentication bypass by spoofing in iOS and iPadOS from Apple. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 33% of all known vulnerabilities).
Severity (CVSS 3.1)7.5High
Exploit odds (30 days)0.4%top 67.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
A file quarantine bypass was addressed with additional checks. This issue is fixed in iOS 18.7.9 and iPadOS 18.7.9, macOS Sequoia 15.7.7, macOS Sonoma 14.8.7, macOS Tahoe 26.5. A maliciously crafted disk image may bypass Gatekeeper checks.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Apple | iOS and iPadOS | 0 – before 18.7.9 |
| Apple | macOS | 0 – before 14.8.70 – before 15.7.70 – before 26.5 |
Weakness: CWE-290 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N