Review reviewHigh

CVE-2022-26758

Apple macOS Monterey, macos

A malicious application may cause unexpected changes in memory shared between processes. A memory corruption issue was addressed with improved state management. This issue is fixed in macOS Monterey 12.4.

CVSS
7.1
EPSS
0.10%
0.96% percentile
CISA KEV
Not listed
Published
2026.06.11
PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV
Exploit probability0.10%
Technical severityCVSS 7.1

Vulnerability overview

A malicious application may cause unexpected changes in memory shared between processes. A memory corruption issue was addressed with improved state management. This issue is fixed in macOS Monterey 12.4.

Affected product and versions

Product
Apple macOS Monterey, macos
Affected versions
< 12.4
Fixed versions
12.4

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
  1. 1
    Identify

    Confirm that Apple macOS Monterey, macos and an affected version are present.

  2. 2
    Prioritize

    Combine exploitation signals with asset exposure and business criticality.

  3. 3
    Remediate

    Follow the vendor advisory or supported update path and preserve rollback options.

  4. 4
    Verify

    Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
CWE
CWE-362
CVE-2022-26758 — Apple macOS Monterey, macos | SECUFOCUS NOW