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 Memory Corruption Vulnerability
- Added to catalog
- Remediation due date (US federal)
- Required action
- Apply updates per vendor instructions.
Description
A memory corruption issue was addressed with improved input validation. This issue is fixed in iOS 12.1.4, macOS Mojave 10.14.3 Supplemental Update. An application may be able to gain elevated privileges.
Affected products
apple: iphone os; apple: mac os x
References9
- support.apple.com/HT209520 Vendor Advisory
- support.apple.com/HT209521 Vendor Advisory
- support.apple.com/HT209601 Vendor Advisory
- support.apple.com/HT209602 Vendor Advisory
- support.apple.com/HT209520 Vendor Advisory
- support.apple.com/HT209521 Vendor Advisory
- support.apple.com/HT209601 Vendor Advisory
- support.apple.com/HT209602 Vendor 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
- 16% percentile: 97 · as of 10 November 2026
- CWE
- CWE-787
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