CVE-2024-7227
highpriority · track · 31EPSS 0.004 · 29 %ileDEEUUSEPSS · scored 2026-10-27
Avast Free Antivirus AvastSvc Link Following Local Privilege Escalation Vulnerability. This vulnerability allows local attackers to escalate privileges on affected installations of Avast Free Antivirus. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the Avast Service. By creating a symbolic link, an attacker can abuse the service to delete a file. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of SYSTEM. Was ZDI-CAN-22272.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (3)
Products and version ranges known to be affected.
advisories (1)
Vendor and ecosystem advisories describing this.
- WID-SEC-W-2024-1727Avast Antivirus: Mehrere Schwachstellen ermöglichen Privilegieneskalation und Denial of ServiceDeutsch2024-07-29csaf · cert_bundDE
Ein lokaler Angreifer kann mehrere Schwachstellen in Avast Antivirus ausnutzen, um seine Privilegien zu erhöhen und einen Denial-of-Service-Zustand zu erzeugen.
also known as (3)
Other names and identifiers for this entity.
sources
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references (3)
External citations — patches, advisories, analysis.
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