Vulnerability · CVE-2022-26523
Avast Anti Rootkit kernel driver user controlled length
Published Dec 5, 2022 · catalog updated Jun 17, 2026 · Anti Rootkit Avast
Patch now
CVE-2022-26523 is in the CISA known-exploited catalog. Confirm Anti Rootkit Avast against the vendor advisory and apply that fix. The CVSS score does not change the priority.
Gaps on this record
- No version range is stored. A customer cannot check an installed version against this record.
- Severity
- Medium5.3
- Known exploitation
- CISA KEV and VulnCheck KEV
- EPSS
- 0.21%
- Remediation
- Remediation guidance
- Affected products
- vendor Anti Rootkit Avast
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.
Are you affected?
Enter the version you run. The result uses only the ranges stored on this record.
The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.
- vendor Anti Rootkit Avastversion unspecified
How to fix CVE-2022-26523
Recommended remediation
Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.
Official advisories
What to do
Three questions, each answered from this record only. Confirm the vendor advisory before you patch.
Should you patch?
CVE-2022-26523 is in the CISA known-exploited catalog. Confirm Anti Rootkit Avast against the vendor advisory and apply that fix. The CVSS score does not change the priority.
Which versions are affected?
Affected version ranges are not on this record. Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.
What should an analyst verify?
CWE-400: Uncontrolled Resource Consumption. EPSS 0.21%. The CISA KEV listing is the exploitation evidence. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.
Code
The project this record applies to. Exploit listings stay in References.
No public source repository is identified for this product.
Timeline
Detection, updates, and resolution for this record.
Dec 5, 2022 · CISA KEV
Known exploited
Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.
May 8, 2026 · NIST NVD
Detected
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.
Jun 17, 2026 · NIST NVD
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.
Sources
- CVE.orgVulnerability recordCVE-2022-26523
Official CVE identifier
cve.org - FIRST EPSSExploitation probabilityCVE-2022-26523
30-day exploitation probability 0.2%
first.org - NIST NVDVulnerability recordCVE-2022-26523
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
nvd.nist.gov - VulnCheck KEVConfirmed exploitationCVE-2022-26523
Avast Anti Rootkit kernel driver user controlled length in aswArPot+0xbb94
vulncheck.com
References
Freshness
Last verified in this catalog Oct 17, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.