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CVE-2021-45339

High

Description

Privilege escalation vulnerability in Avast Antivirus prior to 20.4 allows a local user to gain elevated privileges by "hollowing" trusted process which could lead to the bypassing of Avast self-defense.

SeverityHigh
CVSS7.8
Exploit probability26. percentile0.3%
ProductAvast Antivirus
PublishedDec 27, 2021
First seenDec 27, 2021

How to fix

Update
  • avast antivirus20.4 or later

Affected products

ProductAffected versionsFixed in
avast antivirusv < 20.420.4

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