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

CVE-2020-9996

Description

A use after free issue was addressed with improved memory management. This issue is fixed in macOS Big Sur 11.0.1, iOS 14.0 and iPadOS 14.0. A malicious application may be able to elevate privileges.

AI Insight

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

Affected products

Apple Inc./macOSv52 versions
unspecified+ 1 more
- (no CPE)range: unspecified
- (no CPE)range: before 11.0.1
Apple Inc./iOSllm-fuzzy
Range: before 14.0
Apple Inc./Ipadosllm-fuzzy2 versions
before 14.0+ 1 more
- (no CPE)range: before 14.0
- cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*range: <14.0
Apple Inc./iOS and iPadOScpe-rescue
Range: unspecified
Apple Inc./Iphone OS
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
Range: <14.0
Apple Inc./Mac OS X
cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*
Range: <11.0.1

Patches

Vulnerability mechanics

References

seclists.org/fulldisclosure/2020/Dec/32nvdMailing ListThird Party Advisory
support.apple.com/en-us/HT211850nvdVendor Advisory
support.apple.com/en-us/HT211931nvdVendor 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