How severe is CVE-2022-26522?

CVE-2022-26522 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2022-26522 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (12th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2022-26522?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2022-26522 have an EU (EUVD) identifier?

Yes. CVE-2022-26522 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2022-31079.

When was CVE-2022-26522 published?

CVE-2022-26522 was published on 2026-05-08 and last updated on 2026-06-17.

CVE-2022-26522

CVE-2022-26522 is a high-severity vulnerability with a CVSS 3.x base score of 7.8. 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-367.

Key facts

Severity: High (CVSS 3.x base score 7.8)
EPSS exploit prediction: 0% (12th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2022-31079
Weakness: CWE-367
Published: 2026-05-08
Last modified: 2026-06-17

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+0xc4a3.

Frequently asked questions

What is CVE-2022-26522?: 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+0xc4a3.
How severe is CVE-2022-26522?: CVE-2022-26522 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2022-26522 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (12th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2022-26522?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2022-26522 have an EU (EUVD) identifier?: Yes. CVE-2022-26522 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2022-31079.
When was CVE-2022-26522 published?: CVE-2022-26522 was published on 2026-05-08 and last updated on 2026-06-17.

References

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