Avast Free Antivirus, Avast One, Avast Premium Security, Avast Ultimate, Avast Business Security vulnerabilities

Product

Avast Free Antivirus, Avast One, Avast Premium Security, Avast Ultimate, Avast Business Security

by Gen Digital · last CVE Sep 16, 2026

CVEs

On KEV

8.8

Max CVSS

New 30D

Vulnerabilities1 In the news0 Timeline

Severity mix

Critical 0High 1Medium 0Low 0

Severity

All severities1 Critical0 High1 Medium0 Low0

Exploitation

On CISA KEV0 Exploited in the wild0

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CVE	CVSS	EPSS	Published	Summary · affected versions
CVE-2026-82964	8.8	0%	Sep 16	Avast sandbox privilege escalation via unpreserved DACLs on virtualized files in aswSnx.sys Affected: before 26.8