CVE-2022-26743 Memory corruption in macOS
An out-of-bounds write in macOS allows attackers with existing code execution in Recovery mode to escalate to kernel privileges.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2022-26743?
CVE-2022-26743 is a high-severity memory corruption vulnerability in Apple Macos, published on 26 May 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official 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.
Weakness: CWE-787
Which versions are affected by CVE-2022-26743?
It affects 1 product.
Products include Apple Macos.
How do I fix CVE-2022-26743?
No fix has been published for CVE-2022-26743 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2022-26743 being exploited?
There is no known exploitation of CVE-2022-26743 in the wild and no public exploit code.
Other vulnerabilities in Apple Macos
Sources
Also known as GHSA-qmc7-m7xv-46p4.