High severity · published May 26, 2022
CVE-2022-26748
An out-of-bounds write issue was addressed with improved input validation
8.8
CVSS
1.5%
EPSS
No
On KEV
Description
An out-of-bounds write 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. Processing maliciously crafted web content may lead to arbitrary code execution.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.5% · higher than 75% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MA
macOS · Apple
11.0 before 11.6.6; 12.0 before 12.4 · source: NVD
MO
Mac OS X · Apple
before 10.15.7; 10.15.7; 10.15.7; 10.15.7; 10.15.7; 10.15.7; +8 more · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-26748
CVE.org
https://www.cve.org/CVERecord?id=CVE-2022-26748
Vendor Advisory
https://support.apple.com/en-us/HT213255
Vendor Advisory
https://support.apple.com/en-us/HT213256
Vendor Advisory
https://support.apple.com/en-us/HT213257
More from macOS
10.0
CVE-2025-43300
Apple iOS, iPadOS, and macOS Out-of-Bounds Write Vulnerability
10.0
CVE-2025-24201
Apple Multiple Products WebKit Out-of-Bounds Write Vulnerability
10.0
CVE-2025-24085
Apple Multiple Products Use-After-Free Vulnerability
9.8
CVE-2026-65400
Apple macOS Improper Authentication Vulnerability
9.8
CVE-2025-31200
Apple Multiple Products Memory Corruption Vulnerability