CVE-2024-5803

Local privelage escalation via COM hijacking

Published Oct 3, 2024 CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2024-46951 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.
History
Type Values Removed Values Added
First Time appeared Avg
Avg avg Anti-virus
CPEs cpe:2.3:a:avg:avg_anti-virus:*:*:*:*:*:*:*:*
Vendors & Products Avg
Avg avg Anti-virus
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title Local privelage escalation via COM hijacking
Weaknesses CWE-367
References
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
NLOK
Published
Updated
Oct 3, 2024, 3:38 PM
Reserved
Jun 10, 2024, 4:39 PM
Status
Deferred
Published
Oct 3, 2024, 3:15 PM
Modified
Jun 17, 2026, 8:16 AM