CVE-2022-26770

Name: CVE-2022-26770
Creator: NVD / NIST
Published: 2022-05-26T20:15:09.883+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 0.96%

Last modified Jun 17, 2026

CVE-2022-26770 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. An out-of-bounds read issue was addressed with improved input validation. This issue is fixed in Security Update 2022-004 Catalina, macOS Monterey 12.4, macOS Big Sur 11.6.6. EPSS estimates a 0.96% chance of exploitation in the next 30 days.

Description

An out-of-bounds read issue was addressed with improved input validation. This issue is fixed in Security Update 2022-004 Catalina, macOS Monterey 12.4, macOS Big Sur 11.6.6. A malicious application may be able to execute arbitrary code with kernel privileges.

Metrics

CVSS 3.1

7.8/10

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

EPSS Probability

0.96%

57.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Apple	Mac Os X	> 10.15, < 10.15.7
Apple	Mac Os X	10.15.7
Apple	Macos	>= 11.0, < 11.6.6
Apple	Macos	>= 12.0.0, < 12.4

References

https://support.apple.com/en-us/HT213255Release Notes, Vendor Advisory
https://support.apple.com/en-us/HT213256Release Notes, Vendor Advisory
https://support.apple.com/en-us/HT213257Release Notes, Vendor Advisory
https://support.apple.com/en-us/HT213255Release Notes, Vendor Advisory
https://support.apple.com/en-us/HT213256Release Notes, Vendor Advisory
https://support.apple.com/en-us/HT213257Release Notes, Vendor Advisory

Timeline

Published: May 26, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-26770?

How severe is CVE-2022-26770?

CVE-2022-26770 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.96% probability of exploitation in the next 30 days.

How do I fix CVE-2022-26770?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-26770?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST