Description
Double fetch in sandbox kernel driver in Avast/AVG Antivirus <25.3 on windows allows local attacker to escalate privelages via pool overflow.
Scores
CVSS v3
9.9
EPSS
0.0003
EPSS Percentile
8.8%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
total
Details
CWE
CWE-367
Status
published
Products (1)
avast/antivirus
< 25.3
Published
Nov 11, 2025
Tracked Since
Feb 18, 2026