CVE-2022-26523 Memory corruption in n/a

Medium 5.3 Published Updated

Local attackers can execute arbitrary kernel-mode code or crash the OS via a double fetch vulnerability in the Avast/AVG anti-rootkit driver.

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-2022-26523?

CVE-2022-26523 is a medium-severity memory corruption vulnerability in n/a, published on 8 May 2026. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

The socket connection handler in aswArPot.sys in the Avast and AVG Windows Anti Rootkit driver before 22.1 allows local attackers to execute arbitrary code in kernel mode or cause a denial of service (memory corruption and OS crash) due to a double fetch vulnerability at aswArPot+0xbb94.

Weakness: CWE-400

Which versions are affected by CVE-2022-26523?

How do I fix CVE-2022-26523?

No fix has been published for CVE-2022-26523 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-2022-26523 being exploited?

There is no known exploitation of CVE-2022-26523 in the wild and no public exploit code.

Sources

Also known as GHSA-h488-x5g3-rjr5.

Is CVE-2022-26523 in your software?

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