Avast AVG Windows Anti Rootkit driver up to 22.0 Socket Connection aswArPot.sys memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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7.5$0-$5k0.00

Summaryinfo

A vulnerability has been found in Avast AVG Windows Anti Rootkit driver up to 22.0 and classified as critical. Impacted is an unknown function in the library aswArPot.sys of the component Socket Connection Handler. The manipulation leads to memory corruption. This vulnerability is referenced as CVE-2022-26523. The attack can only be performed from a local environment. No exploit is available. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Avast AVG Windows Anti Rootkit driver up to 22.0. It has been rated as critical. This issue affects an unknown part in the library aswArPot.sys of the component Socket Connection Handler. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

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.

It is possible to read the advisory at avast.com. The identification of this vulnerability is CVE-2022-26523 since 03/07/2022. The exploitation is known to be easy. Attacking locally is a requirement. Technical details of the vulnerability are known, but there is no available exploit.

Upgrading to version 22.1 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2022-31080). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.8
VulDB Meta Temp Score: 7.5

VulDB Base Score: 7.8
VulDB Temp Score: 7.5
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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💳💳💳💳💳💳
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: No

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: AVG Windows Anti Rootkit driver 22.1

Timelineinfo

03/07/2022 CVE reserved
05/08/2026 +1522 days Advisory disclosed
05/08/2026 +0 days VulDB entry created
05/08/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: avast.com
Status: Confirmed

CVE: CVE-2022-26523 (🔒)
GCVE (CVE): GCVE-0-2022-26523
GCVE (VulDB): GCVE-100-362015
EUVD: 🔒

Entryinfo

Created: 05/08/2026 07:34
Updated: 05/08/2026 08:47
Changes: 05/08/2026 07:34 (57), 05/08/2026 08:47 (1)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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