What is CVE-2020-9846?

CVE-2020-9846 is a medium-severity vulnerability in Apple macOS, classified under Information Disclosure. CVSS score: 5.3/10. Published 2023-02-27.

How severe is CVE-2020-9846?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Information disclosure in Apple macOS

CVE-2020-9846

A logic issue was addressed with improved state management. This issue is fixed in macOS Monterey 12.0.1. A malicious application may be able to access local users' Apple IDs.

Vulnerability class: Information Disclosure

Published 2023-02-27 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.004 (36.7th percentile), scored 2026-10-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 37th percentile — 36.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

Apple macOS — versions unspecified

Weakness classification (CWE)

CWE-200 — Information Disclosure

References

support.apple.com/en-us/HT212869 (Release Notes, Vendor Advisory)

Frequently asked questions

What is CVE-2020-9846?: CVE-2020-9846 is a medium-severity vulnerability in Apple macOS, classified under Information Disclosure. CVSS score: 5.3/10. Published 2023-02-27.
How severe is CVE-2020-9846?: Medium severity. CVSS v3 base score is 5.3 out of 10.