CVE-2019-8638
Multiple memory corruption issues were addressed with improved memory handling.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.28%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
Multiple memory corruption issues were addressed with improved memory handling. This issue is fixed in watchOS 5.2, iCloud for Windows 7.11, iOS 12.2, iTunes 12.9.4 for Windows, Safari 12.1. Processing maliciously crafted web content may lead to arbitrary code execution.
- CVSS 3.1
- 8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 1.28% probability · 70th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-787
- Affected
- apple/icloud · apple/itunes · apple/safari · apple/iphone os · apple/watchos
- Source
- product-security@apple.com
EPSS 1.3% 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/en-us/HT209599Vendor Advisory
- https://support.apple.com/en-us/HT209602Vendor Advisory
- https://support.apple.com/en-us/HT209603Vendor Advisory
- https://support.apple.com/en-us/HT209604Vendor Advisory
- https://support.apple.com/en-us/HT209605Vendor Advisory
- https://support.apple.com/en-us/HT209599Vendor Advisory
- https://support.apple.com/en-us/HT209602Vendor Advisory
- https://support.apple.com/en-us/HT209603Vendor Advisory
- https://support.apple.com/en-us/HT209604Vendor Advisory
- https://support.apple.com/en-us/HT209605Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.