CVE-2022-26743
HIGHCVSS 7/10EPSS 0.23%
Last modified
CVE-2022-26743 is a high-severity vulnerability rated 7/10 on the CVSS scale. An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in macOS Monterey 12.4. EPSS estimates a 0.23% chance of exploitation in the next 30 days.
Description
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.
Metrics
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Apple | Macos | >= 12.0, < 12.4 |
References
- https://support.apple.com/en-us/HT213257Vendor Advisory
- https://support.apple.com/en-us/HT213257Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2022-26743?
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.
How severe is CVE-2022-26743?
CVE-2022-26743 has a CVSS score of 7/10 (HIGH severity). The EPSS model estimates a 0.23% probability of exploitation in the next 30 days.
How do I fix CVE-2022-26743?
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-2022-26743?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST