CVE-2025-3500
Integer Overflow in Avast Antiviurs 25.1.981.6 on Windows may result in privilege escalation
CRITICAL 9.8EPSS 0.5%
Integer Overflow or Wraparound vulnerability in Avast Antivirus (25.1.981.6) on Windows allows Privilege Escalation.This issue affects Antivirus: from 25.1.981.6 before 25.3.
- Affected
- Avast · Antivirus
- CVSS v3.1 NVD
- 9.8 CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS v3.1 NORTONLIFELOCK
- 9.0 CRITICAL
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H - EPSS
- 0.46% chance of exploitation in the next 30 days, 38th percentile
- Published
- 2025-12-01
- Updated
- 2026-02-26
Proof-of-concept exploits (1)
- chicken3962/CVE-2025-3500-Poc1★ · 2025-12-01