CISA KEV catalog
Confirmed active exploitation.
Listed in CISA's catalog of Known Exploited Vulnerabilities: attackers are using it in real attacks. Patch it with priority.
- Name
- Apple Multiple Products Use-After-Free Vulnerability
- Added to catalog
- Remediation due date (US federal)
- Required action
- Apply updates per vendor instructions.
Description
A use after free issue was addressed with improved memory management. This issue is fixed in iOS 12.3, macOS Mojave 10.14.5, tvOS 12.3, watchOS 5.2.1. A malicious application may be able to execute arbitrary code with system privileges.
Affected products
apple: iphone os; apple: mac os x; apple: tvos; apple: watchos
References9
- support.apple.com/HT210118 Release NotesVendor Advisory
- support.apple.com/HT210119 Release NotesVendor Advisory
- support.apple.com/HT210120 Release NotesVendor Advisory
- support.apple.com/HT210122 Release NotesVendor Advisory
- support.apple.com/HT210118 Release NotesVendor Advisory
- support.apple.com/HT210119 Release NotesVendor Advisory
- support.apple.com/HT210120 Release NotesVendor Advisory
- support.apple.com/HT210122 Release NotesVendor Advisory
- www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=… US Government Resource
Metrics
- CVSS 3.1
-
7.8
HIGH
Score source: NVD
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - EPSS — exploit probability
- 18% percentile: 97 · as of 10 November 2026
- CWE
- CWE-416
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