IRONSMITHINTEL
MEDIUMCVSS5.5
|
Actively Exploited
|CISA KEV|CVE-2022-22674|Auth: low — authenticated user|Reboot: required|Manual only

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

macOS Monterey contains an out-of-bounds read vulnerability that could allow an application to read kernel memory.

Published May 26, 2022 · Updated May 17, 2026
Why patchRisk explained in plain English
Worst-case scenarioIf unpatched

A local attacker, with a low-privilege account, can achieve full data confidentiality loss. Federal agencies are required to remediate by 2022-04-25 under CISA BOD 22-01.

How the attack worksNo clicks needed

This is a Out-of-bounds Read (CWE-125) vulnerability in Apple macOS. 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. Exploitation requires local access, low attack complexity, a low-privilege authenticated account, and no user interaction required.

Am I affected?Quick check

Probably yes if any of these apply:

●Apple Device Administrators
●Endpoint Security
●IT Security
●Running mac os x: 10.15 ≤ v < 10.15.7, 10.15.7; macos: 11.0 ≤ v < 11.6.6, 12.0.0 ≤ v < 12.3.1
Real-world incidentsWhat we've seen

CISA added this CVE to the Known Exploited Vulnerabilities catalog on 2022-04-04 based on evidence of active exploitation in the wild. Federal agencies required to remediate by 2022-04-25.

How to patch

Manual remediation steps

1
Identify affected hosts: query inventory for os installs in scope.
2
Apply the vendor security update referenced in CVE-2022-22674's advisory. No specific KB/version is encoded yet — consult the linked MSRC/vendor URL.
3
Verify the fix per the vendor's published verification steps.
4
Document the remediation in your change ticket and re-scan with your vulnerability scanner to confirm closure.
PowerShell automationComing soon

No tested PowerShell script for this entry yet. We’re prioritising automation based on user demand.

References

↗ CVE-2022-22674↗ MSRC Advisory↗ NVD↗ Vendor Advisory