CVE-2019-8637
A malicious application may be able to gain root privileges.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.03%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
An input validation issue was addressed with improved input validation. This issue is fixed in iOS 12.3, tvOS 12.3, watchOS 5.2.1. A malicious application may be able to gain root privileges.
- CVSS 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 1.03% probability · 63th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-20
- Affected
- apple/iphone os · apple/tvos · apple/watchos
- Source
- product-security@apple.com
EPSS 1.0% since 26 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
- https://support.apple.com/HT210118Vendor Advisory
- https://support.apple.com/HT210120Vendor Advisory
- https://support.apple.com/HT210122Vendor Advisory
- https://support.apple.com/HT210118Vendor Advisory
- https://support.apple.com/HT210120Vendor Advisory
- https://support.apple.com/HT210122Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.