Avast Security Vulnerabilities (CVEs)
Track 15 security vulnerabilities affecting Avast products and software. Get instant email alerts when new CVEs are discovered, automated security monitoring, and patch guidance.
An integer overflow vulnerability in Avast Antivirus for Windows allows attackers to escalate privileges on affected systems. This affects Avast Antiv...
Dec 1, 2025A double fetch vulnerability in the sandbox kernel driver of Avast/AVG Antivirus on Windows allows local attackers to escalate privileges via pool ove...
Nov 11, 2025This vulnerability in Avast Free Antivirus allows local attackers to escalate privileges from a low-privileged user account to SYSTEM level by exploit...
Nov 22, 2024This vulnerability in Avast Free Antivirus allows local attackers to escalate privileges to SYSTEM level by exploiting a symbolic link issue in the Av...
Nov 22, 2024This vulnerability allows local attackers to escalate privileges on systems running Avast Cleanup Premium. Attackers with initial low-privileged acces...
Nov 22, 2024This vulnerability in Avast Cleanup Premium allows local attackers to escalate privileges by exploiting a symbolic link issue in the Avast Cleanup Ser...
Nov 22, 2024A null pointer dereference vulnerability in AVG/Avast Antivirus for macOS allows attackers to crash the antivirus application by processing a speciall...
Oct 4, 2024An out-of-bounds write vulnerability in AVG/Avast Antivirus for macOS allows a specially crafted Mach-O file to crash the antivirus application during...
Oct 4, 2024This vulnerability in Avast Antivirus allows low-privileged Windows users to elevate privileges to SYSTEM level by exploiting a race condition in the ...
Jun 10, 2024This vulnerability in Avast Premium Security allows local attackers to escalate privileges from low-privileged user accounts to SYSTEM-level access by...
May 3, 2024A time-of-check to time-of-use (TOCTOU) vulnerability in Avast/AVG Antivirus allows local attackers to perform out-of-bounds writes through IOCTL requ...
Nov 8, 2023This CVE describes a local privilege escalation vulnerability in Avast Antivirus where an attacker with local access can bypass Avast's self-defense m...
Dec 27, 2021This vulnerability in Avast Antivirus allows local users to manipulate the sandbox component's permissions to control scan outcomes, potentially evadi...
Dec 27, 2021A privilege escalation vulnerability in Avast Antivirus's Self-Defense driver allows local users with SYSTEM privileges to gain elevated privileges by...
Dec 27, 2021This vulnerability in retdec v3.3 allows attackers to trigger a heap buffer overflow via an out-of-bounds read in the canSplitFunctionOn() function. S...
Apr 21, 2021Why Monitor Avast Security Vulnerabilities?
Real-time CVE tracking: Our automated system monitors 15+ known vulnerabilities affecting Avast products and software packages. Stay ahead of emerging threats with instant email notifications when new security issues are discovered.
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