CVE-2022-26523

CVE-2022-26523 is a medium-severity vulnerability with a CVSS 3.x base score of 5.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-400.

Key facts

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.

Frequently asked questions

What is CVE-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+0xbb94.
How severe is CVE-2022-26523?
CVE-2022-26523 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2022-26523 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (16th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2022-26523?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2022-26523 have an EU (EUVD) identifier?
Yes. CVE-2022-26523 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2022-31080.
When was CVE-2022-26523 published?
CVE-2022-26523 was published on 2026-05-08 and last updated on 2026-06-17.

References

Other CWE-400 (Uncontrolled Resource Consumption) vulnerabilities

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