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Unrated severityNVD Advisory· Published Dec 1, 2025· Updated Feb 26, 2026

Integer Overflow in Avast Antiviurs 25.1.981.6 on Windows may result in privilege escalation

CVE-2025-3500

Description

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

2
  • Avast\!/Antivirusllm-fuzzy2 versions
    >=25.1.981.6, <25.3+ 1 more
    • (no CPE)range: >=25.1.981.6, <25.3
    • (no CPE)range: 25.1.981.6

Patches

Vulnerability mechanics

References

1

News mentions

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