CVE-2022-22674Apple macOS Out-of-Bounds Read Vulnerability

An out-of-bounds read issue existed that led to the disclosure of kernel memory. This was addressed with improved input validation. This issue is fixed in macOS Monterey 12.3.1, Security Update 2022-004 Catalina, macOS Big Sur 11.6.6. A local user may be able to read kernel memory.

5.5 MEDIUMEPSS 1.08%⚡ Known Exploited (CISA KEV)NVD: Analyzed

Last updated: 2026-06-17 04:28 UTC

OverviewCVSS details

5.5MEDIUMCVSS 3.1

Score source: NVD
NVD status: Analyzed
Published: May 26, 2022
Assigner: apple

Affected

macOS (Apple)

Versions: before 12.3
Fixed in: 12.3

+2 more products →

Exploitation

Public exploit: None listed
CISA KEV: Listed · Apr 4, 2022
KEV due date: Apr 25, 2022
Ransomware use: Unknown
SSVC: Exploitation active · Automatable no · Impact partial

EPSS · FIRST, scored Nov 8

1.08%chance of exploitation in 30 days

Higher than 65.50% of CVEs

CVSS 3.1 · NVD

5.5Medium

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

Attack vector: Local
Attack complexity: Low
Privileges required: Low
User interaction: None
Scope: Unchanged
Confidentiality impact: High
Integrity impact: None
Availability impact: None

CVSS 2.0 · NVD

4.9Medium

AV:L/AC:L/Au:N/C:C/I:N/A:N

Attack vector: Local
Attack complexity: Low
Authentication: None
Confidentiality impact: Complete
Integrity impact: None
Availability impact: None

NVD status: Analyzed

Overview Affected Products References

NVD CVE.org

Overview

Severity

Score	Severity	Version	Vector String
5.5	MEDIUM	3.1NVD	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
4.9	MEDIUM	2.0NVD	AV:L/AC:L/Au:N/C:C/I:N/A:N

CISA required action

⚡ Known exploited · remediation due Apr 25, 2022

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Details

CVE ID: CVE-2022-22674
Status: Analyzed
Assigner (CNA): apple
Published: May 26, 2022
Last modified: 2026-06-17 04:28 UTC
Weaknesses: CWE-125
CWE-20

Sources

Refreshed hourly from the sources above. Last fetched 2026-11-09 14:23 UTC.