What’s Vulnerable › Vulnerabilities
CVE-2024-5803: Local privelage escalation via COM hijacking
- Severity: high (CVSS 7.5 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.1% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2024-10-03 · updated 2026-06-17
- Weakness: CWE-367
Description
The AVGUI.exe of AVG/Avast Antivirus before versions before 24.1 can allow a local attacker to escalate privileges via an COM hijack in a time-of-check to time-of-use (TOCTOU) when self protection is disabled.
Affected products
- Avg Anti-Virus: before 24.1 — fixed in 24.1
How to fix
Upgrade to a fixed version: Avg Anti-Virus 24.1. Check the vendor advisory for mitigations.
References
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