CVE-2019-8746
An out-of-bounds read was addressed with improved input validation. This issue is fixed in macOS Catalina 10.15, iOS 13, iCloud for…
- 9.8CriticalCVSS base score
- 3.0%Exploitation in 30 daysEPSS · top 12% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
An out-of-bounds read was addressed with improved input validation. This issue is fixed in macOS Catalina 10.15, iOS 13, iCloud for Windows 7.14, iCloud for Windows 10.7, tvOS 13, macOS Catalina 10.15.1, Security Update 2019-001, and Security Update 2019-006, watchOS 6, iTunes 12.10.1 for Windows. A remote attacker may be able to cause unexpected application termination or arbitrary code execution.
Timeline
ID reserved
By apple
- 21 months later
· 21 months later
Published
- 4 years later
· 4 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | Critical9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 3.0% · top 12% of all CVEs (11 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 9.8.
Affected products
- affected unspecified – < 13
- affected unspecified – < 13
- affected unspecified – < 6
- affected unspecified – < 10.15
- affected unspecified – < 12.10
- affected unspecified – < 10.7
- affected unspecified – < 7.14
- affected unspecified – < 10.15
References
References8
- https://support.apple.com/en-us/HT210634 (opens in a new tab)x_refsource_MISCx_transferred
- https://support.apple.com/en-us/HT210722 (opens in a new tab)x_refsource_MISCx_transferred
- https://support.apple.com/en-us/HT210604 (opens in a new tab)x_refsource_MISCx_transferred
- https://support.apple.com/en-us/HT210606 (opens in a new tab)x_refsource_MISCx_transferred
- https://support.apple.com/en-us/HT210607 (opens in a new tab)x_refsource_MISCx_transferred
- https://support.apple.com/en-us/HT210635 (opens in a new tab)x_refsource_MISCx_transferred
- https://support.apple.com/en-us/HT210636 (opens in a new tab)x_refsource_MISCx_transferred
- https://support.apple.com/en-us/HT210637 (opens in a new tab)x_refsource_MISCx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2019-18136 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2019-8746)Record last updated .