CVE-2018-4093
It allows attackers to bypass intended memory-read restrictions via a crafted app.
Does this matter?
Lower severity and a low EPSS score (1.00%). Track it; it rarely justifies an emergency change on its own.
Description
An issue was discovered in certain Apple products. iOS before 11.2.5 is affected. macOS before 10.13.3 is affected. tvOS before 11.2.5 is affected. watchOS before 4.2.2 is affected. The issue involves the "Kernel" component. It allows attackers to bypass intended memory-read restrictions via a crafted app.
- CVSS 3.0
- 5.5 MEDIUMCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
- EPSS
- 1.00% probability · 63th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-200
- Affected
- apple/apple tv · apple/iphone os · apple/mac os x · apple/watchos
- Source
- product-security@apple.com
EPSS 1.0% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://www.securityfocus.com/bid/102782Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1040265Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1040267Third Party Advisory, VDB Entry
- https://support.apple.com/HT208462Vendor Advisory
- https://support.apple.com/HT208463Vendor Advisory
- https://support.apple.com/HT208464Vendor Advisory
- https://support.apple.com/HT208465Vendor Advisory
- http://www.securityfocus.com/bid/102782Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1040265Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1040267Third Party Advisory, VDB Entry
- https://support.apple.com/HT208462Vendor Advisory
- https://support.apple.com/HT208463Vendor Advisory
- https://support.apple.com/HT208464Vendor Advisory
- https://support.apple.com/HT208465Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.