CVE-2025-13032 — Time-of-check Time-of-use (TOCTOU) Race Condition in Antivirus

CWE-367 — Time-of-check Time-of-use (TOCTOU) Race Condition3 documents3 sources
Severity
7.8HIGHNVD
CNA9.9
EPSS
0.0%
top 91.78%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
Avast AntivirusAVG AntivirusAvsat ONE
Timeline
PublishedNov 11

Description

Double fetch in sandbox kernel driver in Avast/AVG Antivirus <25.3 on windows allows local attacker to escalate privelages via pool overflow.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitability: 1.8 | Impact: 5.9

Affected Packages4 packages

▶CVEListV5avast/antivirus< 25.3
▶NVDavast/antivirus< 25.3
▶CVEListV5avg/antivirus< 25.3
▶CVEListV5avsat/one< 25.3

🔴Vulnerability Details

2
GHSA
GHSA-hf76-wr32-wv5w: Double fetch in sandbox kernel driver in Avast/AVG Antivirus <25↗2025-11-11
▶
CVEList
CVE-2025-13032: Double fetch in sandbox kernel driver in Avast/AVG Antivirus <25↗2025-11-11
▶
CVE-2025-13032 — Avast Antivirus vulnerability | cvebase