What is CVE-2022-26696?

CVE-2022-26696 is a high-severity vulnerability in Apple macOS, classified under Protection Mechanism Failure. CVSS score: 8.8/10. Published 2022-09-20.

How severe is CVE-2022-26696?

High severity. CVSS v3 base score is 8.8 out of 10.

Is CVE-2022-26696 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Apple macOS

CVE-2022-26696

This issue was addressed with improved environment sanitization. This issue is fixed in macOS Monterey 12.4. A sandboxed process may be able to circumvent sandbox restrictions.

Published 2022-09-20 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.003 (23.8th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 24th percentile — 23.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: -0.000

Affected products

Apple macOS — versions unspecified

Weakness classification (CWE)

CWE-693 — Protection Mechanism Failure

Public proof-of-concept exploits

houjingyi233/macOS-iOS-system-security

References

support.apple.com/en-us/HT213257 (Release Notes, Vendor Advisory)

Frequently asked questions

What is CVE-2022-26696?: CVE-2022-26696 is a high-severity vulnerability in Apple macOS, classified under Protection Mechanism Failure. CVSS score: 8.8/10. Published 2022-09-20.
How severe is CVE-2022-26696?: High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2022-26696 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.