High severity7.8NVD Advisory· Published Oct 22, 2020· Updated Jun 17, 2026

CVE-2020-9863

Description

A memory initialization issue was addressed with improved memory handling. This issue is fixed in iOS 13.6 and iPadOS 13.6, macOS Catalina 10.15.6, tvOS 13.4.8, watchOS 6.2.8. An application may be able to execute arbitrary code with kernel privileges.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Apple Inc./macOS Catalinallm-fuzzy
Range: before 10.15.6
Apple Inc./tvOSllm-fuzzy2 versions
before 13.4.8+ 1 more
- (no CPE)range: before 13.4.8
- (no CPE)range: unspecified
Apple Inc./Ipadosllm-fuzzy
Range: before 13.6
Apple Inc./watchOSllm-fuzzy2 versions
before 6.2.8+ 1 more
- (no CPE)range: before 6.2.8
- (no CPE)range: unspecified
Apple Inc./iOSllm-fuzzy2 versions
before 13.6+ 1 more
- (no CPE)range: before 13.6
- (no CPE)range: unspecified
Apple Inc./macOSv5
Range: unspecified

Patches

Vulnerability mechanics

References

support.apple.com/kb/HT211288nvdVendor Advisory
support.apple.com/kb/HT211289nvdVendor Advisory
support.apple.com/kb/HT211290nvdVendor Advisory
support.apple.com/kb/HT211291nvdVendor Advisory

News mentions

No linked articles in our index yet.

cvss	0.507
epss	0.001
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000