CVE-2022-22638

Name: CVE-2022-22638
Creator: NVD / NIST
Published: 2022-03-18T18:15:14.303+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.5/10EPSS 1.86%

Last modified Jun 17, 2026

CVE-2022-22638 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. A null pointer dereference was addressed with improved validation. This issue is fixed in tvOS 15.4, iOS 15.4 and iPadOS 15.4, macOS Big Sur 11.6.5, Security Update 2022-003 Catalina, watchOS 8.5, macOS Monterey 12.3. EPSS estimates a 1.86% chance of exploitation in the next 30 days.

Description

A null pointer dereference was addressed with improved validation. This issue is fixed in tvOS 15.4, iOS 15.4 and iPadOS 15.4, macOS Big Sur 11.6.5, Security Update 2022-003 Catalina, watchOS 8.5, macOS Monterey 12.3. An attacker in a privileged position may be able to perform a denial of service attack.

Metrics

CVSS 3.1

6.5/10

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

EPSS Probability

1.86%

76.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-476

Affected Software

Vendor	Product	Versions	Update
Apple	Ipados	< 15.4	—
Apple	Iphone Os	< 15.4	—
Apple	Mac Os X	>= 10.15, < 10.15.7	—
Apple	Mac Os X	10.15.7	Security Update 2022-001
Apple	Macos	>= 11.6, < 11.6.5	—
Apple	Macos	>= 12.0, < 12.3	—
Apple	Macos	10.15.7	—
Apple	Tvos	< 15.4	—
Apple	Watchos	< 8.5	—

References

https://support.apple.com/en-us/HT213182Vendor Advisory
https://support.apple.com/en-us/HT213183Vendor Advisory
https://support.apple.com/en-us/HT213184Vendor Advisory
https://support.apple.com/en-us/HT213185Vendor Advisory
https://support.apple.com/en-us/HT213186Vendor Advisory
https://support.apple.com/en-us/HT213193Vendor Advisory
https://support.apple.com/en-us/HT213182Vendor Advisory
https://support.apple.com/en-us/HT213183Vendor Advisory
https://support.apple.com/en-us/HT213184Vendor Advisory
https://support.apple.com/en-us/HT213185Vendor Advisory
https://support.apple.com/en-us/HT213186Vendor Advisory
https://support.apple.com/en-us/HT213193Vendor Advisory

Timeline

Published: Mar 18, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-22638?

How severe is CVE-2022-22638?

CVE-2022-22638 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 1.86% probability of exploitation in the next 30 days.

How do I fix CVE-2022-22638?

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-2022-22638?

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

Scan your code now

Source: NVD / NIST