CVE-2022-26743
An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in...
An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in macOS Monterey 12.4. An attacker that has already achieved code execution in macOS Recovery may be able to escalate to kernel privileges.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- High
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in macOS Monterey 12.4. An attacker that has already achieved code execution in macOS Recovery may be able to escalate to kernel privileges.
- Record
CVE-2022-26743- CVSS 3.1
- 7.0 High
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 6.9 Medium
AV:L/AC:M/Au:N/C:C/I:C/A:C - Weakness
- CWE-787
- Updated
- 2026-11-02
CVE List No score
An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in macOS Monterey 12.4. An attacker that has already achieved code execution in macOS Recovery may be able to escalate to kernel privileges.
- Record
CVE-2022-26743- Updated
- 2026-11-02
EUVDEUVD-2022-31293 No score
An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in macOS Monterey 12.4. An attacker that has already achieved code execution in macOS Recovery may be able to escalate to kernel privileges.
- Record
EUVD-2022-31293- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-qmc7-m7xv-46p4
An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in...
An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in macOS Monterey 12.4. An attacker that has already achieved code execution in macOS Recovery may be able to escalate to kernel privileges.
- Record
GHSA-qmc7-m7xv-46p4- CVSS 3.1
- 7.0 High
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-787
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2022-26743 is a high vulnerability (CVSS 7.0) in Apple Macos, published May 26, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.25%, the 16th percentile. No source names a fixed version.