CVE-2024-5803
highpriority · track · 0EPSS 0.001 · 1 %ileDEEUEPSS · scored 2026-10-27
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.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.9–7.5
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (5)
Products and version ranges known to be affected.
advisories (1)
Vendor and ecosystem advisories describing this.
- WID-SEC-W-2024-3068Avast Antivirus: Schwachstelle ermöglicht PrivilegieneskalationDeutsch2024-10-03csaf · cert_bundDE
Ein lokaler Angreifer kann eine Schwachstelle in Avast Antivirus und AVG Anti-Virus ausnutzen, um seine Privilegien zu erhöhen.
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (6)
External citations — patches, advisories, analysis.
- https://cxsecurity.com/cveshow/CVE-2024-5803/cnnvd
- https://support.norton.com/sp/static/external/tools/security-advisories.htmlcnnvd
- https://vigilance.fr/vulnerability/Avast-Antivirus-privilege-escalation-via-COM-Hijack-45292cnnvd
- https://www.avast.com/Patchcnnvd
- https://support.norton.com/sp/static/external/tools/security-advisories.htmlenisa_euvd
- https://support.norton.com/sp/static/external/tools/security-advisories.htmlnvd
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