CVE-2017-2509
It allows attackers to bypass intended memory-read restrictions via a crafted app.
Does this matter?
A public exploit is published in Exploit-DB (verified), so the technical barrier is gone even though the severity is medium and EPSS is 2.3%. Treat it as high on anything reachable from the internet.
Description
An issue was discovered in certain Apple products. macOS before 10.12.5 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
- 2.32% probability · 83th percentile
- Public exploits
- 1 in Exploit-DB · verified · first 22 May 2017
- CISA KEV
- Not listed
- Affected
- apple/mac os x
- Source
- product-security@apple.com
EPSS 2.3% 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.
Public exploits (1)
Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.
References
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.