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Status published
High
CVE-2024-5803
Local privelage escalation via COM hijacking
Vulnerability 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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:
- Cirosec GmbH
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Affected Vendor
AVG/Avast
View all reports →Affected Software
Antivirus
Vulnerable Versions:
<24.1
Timeline
Official Publish:
October 3rd, 2024
Last Modified:
October 3rd, 2024
Added to House:
July 22nd, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H