CVE-2022-22674
MediumExploitedPublic exploitAn out-of-bounds read issue existed that led to the disclosure of kernel memory.
Published Aug 18, 2022 · Updated Oct 21, 2025 · Also known as TR-22-0278, TR-22-0312
Key Facts
Patch immediately- CVE-2022-22674 is a medium-severity vulnerability (CVSS 5.5 v3.1) affecting macOS (Apple), Mac OS X (Apple).
- It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Mar 31, 2022. Public exploit code is available.
- EPSS estimates a 1.1% probability of exploitation in the next 30 days.
- Fixed versions are available, including Mac OS X 10.15.7, macOS 11.6.6, macOS 11.6.
- Brandefense priority: patch immediately, because it is listed as exploited in the wild.
CVSS v3.1
5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
EPSS (30-day exploit likelihood)
1.1%
Higher than 64.7% of all scored CVEs
Exploited in the wild
Yes
4 catalog listings
Public exploit code
Available
Proof-of-concept or weaponized module
Get the full CVE-2022-22674 brief as a PDF
Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.
Description
An out-of-bounds read issue existed that led to the disclosure of kernel memory. This was addressed with improved input validation. This issue is fixed in macOS Monterey 12.3.1, Security Update 2022-004 Catalina, macOS Big Sur 11.6.6. A local user may be able to read kernel memory.
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| CISA KEV | Apr 4, 2022 | Apr 25, 2022 | Not reported |
| Industry KEV feed | Mar 31, 2022 | Apr 25, 2022 | Not reported |
| CIRCL KEV | Apr 4, 2022 | Apr 25, 2022 | Not reported |
| ENISA EUVD | Apr 4, 2022 | n/a | Not reported |
Required action: Apply updates per vendor instructions.
Affected Products
18 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| macOSApple | >= unspecified | 11.6.6 |
| Mac OS XApple | 10.15.7, 10.15.7-security_update_2020, 10.15.7-security_update_2020-001, 10.15.7-security_update_2020-005, 10.15.7-security_update_2020-007, 10.15.7-security_update_2021-001, 10.15.7-security_update_2021-002, 10.15.7-security_update_2021-003 | 10.15.7 |
Patched Releases
Mac OS X
10.15.7
macOS
11.6.6, 11.6, 12.3, 2022
Timeline
Added to Industry KEV feed
Mar 31, 2022
Added to CISA KEV
Apr 4, 2022
Added to CIRCL KEV
Apr 4, 2022
Added to ENISA EUVD
Apr 4, 2022
Publicly disclosed
Aug 18, 2022
Last updated
Oct 21, 2025
Weakness Type
- CWE-125 Out-of-bounds Read
References
- advisoryhttp://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-26810
- advisoryhttp://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-26827
- advisoryhttps://9to5mac.com/2022/03/31/apple-fixes-multiple-zero-day-exploits-with-ios-15-4-1-and-macos-12-3-1/
- advisoryhttps://9to5mac.com/2022/03/31/apple-releases-ios-15-4-1-battery-issues-fix/
- advisoryhttps://9to5mac.com/2022/03/31/macos-12-3-1-fixes-bug-affecting-game-controllers-and-other-bluetooth-devices/
FAQ
Common Questions.
An out-of-bounds read issue existed that led to the disclosure of kernel memory.
Affected: macOS (Apple) versions >= unspecified; Mac OS X (Apple) versions 10.15.7, 10.15.7-security_update_2020, 10.15.7-security_update_2020-001, 10.15.7-security_update_2020-005, 10.15.7-security_update_2020-007, 10.15.7-security_update_2021-001, 10.15.7-security_update_2021-002, 10.15.7-security_update_2021-003. The full list is in the CVE brief.
It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Mar 31, 2022.
Yes. It was added on Apr 4, 2022 with a federal remediation due date of Apr 25, 2022.
Public exploit code is available.
Fixed versions are available, including Mac OS X 10.15.7, macOS 11.6.6, macOS 11.6.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.
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