CVE-2019-8740 json
A memory corruption vulnerability was addressed with improved locking.
published 2020-10-27 6 y ago modified 2026-06-17 4 mo ago also EUVD-2019-18130
- cvss
- 7.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.3%
- EPSS 1.3% chance of exploitation in 30 days, percentile 70%
- public exploits
- 0
- none known
Summary
A memory corruption vulnerability was addressed with improved locking. This issue is fixed in iOS 13.1 and iPadOS 13.1, watchOS 6, tvOS 13. An application may be able to execute arbitrary code with kernel privileges.
Patch / fix
- Apple iOS and iPadOS 13.1
- Apple tvOS 13
- Apple watchOS 6
Exploit prediction
1.30% chance of exploitation in the next 30 days, higher than 70% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 9.3 | AV:N/AC:M/Au:N/C:C/I:C/A:C |
Affected products
- Apple iOS and iPadOS
- Apple tvOS
- Apple watchOS
Classification
- Weakness
-
- CWE-787 Out-of-bounds Write
References
-
support.apple.com
/en-us/HT210604
vendor-advisory
-
support.apple.com
/en-us/HT210607
vendor-advisory
-
support.apple.com
/en-us/HT210603
vendor-advisory
Sources
- CVE List CVE-2019-8740
- NVD CVE-2019-8740
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.