title: Avast and AVG Antivirus for Windows vulnerable to Privilege Escalation
description: A vulnerability within the malware removal functionality of Avast and AVG Antivirus allowed an attacker with write access to the filesystem, to escalate his privileges in certain scenarios. The issue was fixed with Avast and AVG Antivirus version 22.10.
problem types: CWE-269 Improper Privilege Management
affected:
{
defaultStatus: unaffected
platforms: Windows
product: Avast and AVG Antivirus
vendor: NortonLifeLock
versions:
lessThanOrEqual: 22.9, status: affected, version: 20.5, versionType: custom
}
metrics:
cvssV3_1: [
attackComplexity: LOW
attackVector: LOCAL
availabilityImpact: HIGH
baseScore: 7.3
baseSeverity: HIGH
confidentialityImpact: HIGH
integrityImpact: HIGH
privilegesRequired: LOW
scope: UNCHANGED
userInteraction: REQUIRED
vectorString: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
version: 3.1
]
format: CVSS
scenarios: GENERAL