VULNERABILITY INTELLIGENCE

CVE-2020-9996

CVSS score7.8 HIGH

EPSS probability0.90%

CISA KEVNot currently listed

Published2020-12-08

Last modified2026-06-17

CVSS vectorCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

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.

Weakness classification

CWE-416: Use After Free

Primary references

product-security@apple.com — Mailing List, Third Party Advisory
product-security@apple.com — Vendor Advisory
product-security@apple.com — Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108 — Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108 — Vendor Advisory