Cyber Resilience

CVE-2022-26522

High

Published: 08 May 2026

Published
08 May 2026
Modified
08 May 2026
KEV Added
—
Patch
—
CVSS Score v3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0076 73.8th percentile
Risk Priority 16 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2022-26522 is a high-severity Time-of-check Time-of-use (TOCTOU) Race Condition (CWE-367) vulnerability in Avast (inferred from references). Its CVSS base score is 7.8 (High).

Operationally, ranked in the top 26.2% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

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…

more

a double fetch vulnerability at aswArPot+0xc4a3.

CWE(s)
CWE-367

Related Threats

CVEs Like This One

CVE-2024-53028Shared CWE-367
CVE-2026-41651Shared CWE-367
CVE-2026-41702Shared CWE-367
CVE-2026-27750Shared CWE-367
CVE-2026-21240Shared CWE-367
CVE-2026-45208Shared CWE-367
CVE-2026-32988Shared CWE-367
CVE-2024-45560Shared CWE-367
CVE-2025-23359Shared CWE-367
CVE-2026-24191Shared CWE-367

Affected Assets

Avast
—
inferred from references and description; NVD did not file a CPE for this CVE

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

AU-8 Time Stamps
addresses: CWE-367

Timestamps meeting UTC or offset standards help identify TOCTOU issues through precise chronological reconstruction of check/use operations.

References