What is CVE-2022-26758?

CVE-2022-26758 is a high-severity vulnerability in Apple macOS, classified under Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition). CVSS score: 7.1/10. Published 2026-06-10.

How severe is CVE-2022-26758?

High severity. CVSS v3 base score is 7.1 out of 10.

Vulnerability in Apple macOS

CVE-2022-26758

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.

Vulnerability class: Race Condition

Published 2026-06-10 · last modified 2026-07-23.

CVSS v3 metric

CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N.

EPSS exploit prediction

EPSS: 0.001 (0.8th percentile), scored 2026-10-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 1st percentile — 0.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.001 · newest: 0.001 · change: 0.000

Affected products

Apple macOS
Apple macOS Monterey — versions 0

Weakness classification (CWE)

CWE-362 — Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition)

References

support.apple.com/en-us/213257 (Broken Link)
134c704f-9b21-4f2e-91b3-4a467353bcc0 (Release Notes, Vendor Advisory)

Frequently asked questions

What is CVE-2022-26758?: CVE-2022-26758 is a high-severity vulnerability in Apple macOS, classified under Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition). CVSS score: 7.1/10. Published 2026-06-10.
How severe is CVE-2022-26758?: High severity. CVSS v3 base score is 7.1 out of 10.