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

CVE-2020-9853

Description

A memory corruption issue was addressed with improved validation. This issue is fixed in macOS Catalina 10.15.4. A malicious application may be able to determine kernel memory layout.

AI Insight

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

Affected products

Apple Inc./Mac OS X
cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*
Range: <10.15.4
Apple Inc./macOS Catalinallm-fuzzy
Range: = 10.15.4
Apple Inc./macOSv5
Range: unspecified

Patches

Vulnerability mechanics

References

support.apple.com/kb/HT211100nvdVendor 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