CVE-2022-26523: Medium severity Avast Windows Anti Rootkit driver (aswArPot.sys) vulnerability

Published May 8, 2026
·
Updated

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.

Affected Software

2 affected components
Avast Windows Anti Rootkit driver (aswArPot.sys)<22.1
AVG Windows Anti Rootkit driver (aswArPot.sys)<22.1

Event History

Nov 23, 2024
News Published
via BleepingComputer·03:07 PM
News Published
via BleepingComputer·09:06 PM
May 8, 2026
CVE Published
via MITRE·12:00 AM
Data Sourced
via MITRE·12:00 AM
Description
Data Sourced
via NVD·05:16 AM
DescriptionSeverityWeakness
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Frequently Asked Questions

1

What is the severity of CVE-2022-26523?

CVE-2022-26523 is considered a critical vulnerability due to its potential for arbitrary code execution and denial of service in kernel mode.

2

How do I fix CVE-2022-26523?

To fix CVE-2022-26523, update the Avast or AVG Windows Anti Rootkit driver to the latest version beyond 22.1.

3

Who is affected by CVE-2022-26523?

CVE-2022-26523 affects users of Avast and AVG Windows Anti Rootkit drivers prior to version 22.1.

4

What types of exploits are possible with CVE-2022-26523?

Exploiting CVE-2022-26523 can allow local attackers to execute arbitrary code or cause a system crash.

5

What is the nature of the vulnerability in CVE-2022-26523?

CVE-2022-26523 is a double fetch vulnerability found in the socket connection handler of the aswArPot.sys driver.

Contact

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