Vulnerability in Avast Antivirus
CVE-2025-13032
Double fetch in sandbox kernel driver in Avast/AVG Antivirus <25.3 on windows allows local attacker to escalate privelages via pool overflow.
Vulnerability class: TOCTOU (Time-of-Check to Time-of-Use)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.9 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.002 (14.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 14th percentile — 14.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000
Affected products
- Avast Antivirus
- Avast (Free/premiium/ultimeat) Antivirus — versions 0
- Avg (Free/inernet Security/ultimate) Antivirus — versions 0
- Avsat One — versions 0
- Microsoft Windows
Weakness classification (CWE)
References
- www.gendigital.com/us/en/contact-us/security-advisories/ (Vendor Advisory)
Frequently asked questions
- What is CVE-2025-13032?
- CVE-2025-13032 is a critical-severity vulnerability in Avast Antivirus, classified under Time-of-check Time-of-use (TOCTOU) Race Condition. CVSS score: 9.9/10. Published 2025-11-11.
- How severe is CVE-2025-13032?
- Critical severity. CVSS v3 base score is 9.9 out of 10.