CVE-2017-8665
The Xamarin.iOS update component on systems running macOS allows an attacker to run arbitrary code as root, aka "Xamarin.iOS Elevation Of Privilege Vulnerability."
Does this matter?
A public exploit is published in Exploit-DB (verified) and the impact is high, while EPSS rates exploitation at 4.3%. Anyone can run this; patch or mitigate before the next change window and check exposed instances for signs of use.
Description
The Xamarin.iOS update component on systems running macOS allows an attacker to run arbitrary code as root, aka "Xamarin.iOS Elevation Of Privilege Vulnerability."
- CVSS 3.0
- 7.8 HIGHCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 4.35% probability · 91th percentile
- Public exploits
- 1 in Exploit-DB · verified · first 14 August 2017
- CISA KEV
- Not listed
- Weakness
- CWE-732
- Affected
- microsoft/xamarin.ios
- Source
- secure@microsoft.com
EPSS 4.3% 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
- http://www.securityfocus.com/bid/100308Third Party Advisory, VDB Entry
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8665Patch, Release Notes, Vendor Advisory
- https://www.exploit-db.com/exploits/42454/Third Party Advisory, VDB Entry
- http://www.securityfocus.com/bid/100308Third Party Advisory, VDB Entry
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8665Patch, Release Notes, Vendor Advisory
- https://www.exploit-db.com/exploits/42454/Third Party Advisory, VDB Entry
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.