CVE-2026-27748

Avira Internet Security contains an improper link resolution vulnerability in the Software Updater component. During the update process, a privileged service running as SYSTEM deletes a file under C:\\ProgramData without validating whether the path resolves through a symbolic link or reparse...

EUVD-2026-9820

Avira Internet Security contains an improper link resolution vulnerability in the Software Updater component. During the update process, a privileged service running as SYSTEM deletes a file under C:\ProgramData without validating whether the path resolves through a symbolic link or reparse point...

CVE-2026-27750

Avira Internet Security contains a time-of-check time-of-use TOCTOU vulnerability in the Optimizer component. A privileged service running as SYSTEM identifies directories for cleanup during a scan phase and subsequently deletes them during a separate cleanup phase without revalidating the target...

CVE-2026-27750

Avira Internet Security contains a time-of-check time-of-use TOCTOU vulnerability in the Optimizer component. A privileged service running as SYSTEM identifies directories for cleanup during a scan phase and subsequently deletes them during a separate cleanup phase without revalidating the target...

CVE-2026-27749

Avira Internet Security contains a deserialization of untrusted data vulnerability in the System Speedup component. The Avira.SystemSpeedup.RealTimeOptimizer.exe process, which runs with SYSTEM privileges, deserializes data from a file located in C:\ProgramData using .NET BinaryFormatter without...

CVE-2026-27748

Avira Internet Security contains an improper link resolution vulnerability in the Software Updater component. During the update process, a privileged service running as SYSTEM deletes a file under C:\ProgramData without validating whether the path resolves through a symbolic link or reparse point...

CVE-2026-27748 Avira Internet Security Arbitrary File Deletion via Improper Link Resolution

Avira Internet Security contains an improper link resolution vulnerability in the Software Updater component. During the update process, a privileged service running as SYSTEM deletes a file under C:\ProgramData without validating whether the path resolves through a symbolic link or reparse point...

CVE-2026-27748 Avira Internet Security Arbitrary File Deletion via Improper Link Resolution

Avira Internet Security contains an improper link resolution vulnerability in the Software Updater component. During the update process, a privileged service running as SYSTEM deletes a file under C:\ProgramData without validating whether the path resolves through a symbolic link or reparse point...

CVE-2026-27749 Avira Internet Security System Speedup Insecure Deserialization

Avira Internet Security contains a deserialization of untrusted data vulnerability in the System Speedup component. The Avira.SystemSpeedup.RealTimeOptimizer.exe process, which runs with SYSTEM privileges, deserializes data from a file located in C:\ProgramData using .NET BinaryFormatter without...

CVE-2026-27750

Avira Internet Security contains a time-of-check time-of-use TOCTOU vulnerability in the Optimizer component. A privileged service running as SYSTEM identifies directories for cleanup during a scan phase and subsequently deletes them during a separate cleanup phase without revalidating the target...

CVE-2026-27749: Deserialization of Untrusted Data

Avira Internet Security contains a deserialization of untrusted data vulnerability in the System Speedup component. The Avira.SystemSpeedup.RealTimeOptimizer.exe process, which runs with SYSTEM privileges, deserializes data from a file located in C:\ProgramData using .NET BinaryFormatter without...

Avira Internet Security 安全漏洞

Avira Internet Security is a network security software developed by the German company Avira. Avira Internet Security has a security vulnerability, which stems from the System Speedup component deserializing unreliable data. This could allow local attackers to execute arbitrary code with SYSTEM...

CVE-2026-27750: Time-of-check Time-of-use (TOCTOU) Race Condition

Avira Internet Security contains a time-of-check time-of-use TOCTOU vulnerability in the Optimizer component. A privileged service running as SYSTEM identifies directories for cleanup during a scan phase and subsequently deletes them during a separate cleanup phase without revalidating the target...

CVE-2026-27748: Improper Link Resolution Before File Access

Avira Internet Security contains an improper link resolution vulnerability in the Software Updater component. During the update process, a privileged service running as SYSTEM deletes a file under C:\ProgramData without validating whether the path resolves through a symbolic link or reparse point...

Avira Internet Security 安全漏洞

Avira Internet Security is a network security software developed by the German company Avira. Avira Internet Security has a security vulnerability. This vulnerability stems from an improper link parsing issue in the Software Updater component. It could allow local attackers to delete any file,...

Avira Internet Security 安全漏洞

Avira Internet Security is a network security software developed by the German company Avira. Avira Internet Security has a security vulnerability, which stems from a race condition in the Optimizer component. This vulnerability could allow local attackers to delete protected files or directories...

CVE-2017-6417: Uncontrolled Search Path Element

Code injection vulnerability in Avira Total Security Suite 15.0 and earlier, Optimization Suite 15.0 and earlier, Internet Security Suite 15.0 and earlier, and Free Security Suite 15.0 and earlier allows a local attacker to bypass a self-protection mechanism, inject arbitrary code, and take full...

Avira Internet Security avipbb.sys Filter Bypass and Privilege Escalation

Exploit for php platform in category web applications . . . \ \ | / \ \ \ | || / \ / / \ / |/ \ / | / \ / / /| | |/ \ \ \ // \ / / | \ /\ / | \ \ \ / \ //\ |\ | /\ // | /|\ / / / / / / / Exploit Title: WordPress Area53 theme Arbitrary File Upload Vulnerability Author: Byakuya Date:...

Avira Internet Security - avipbb.sys Filter Bypass Privilege Escalation

Avira Internet Security - avipbb.sys Filter Bypass Privilege Escalation Exploit Title: Avira internet security avipbb.sys filter bypass and privilege escalation - 0Day Date: 2013-10-17 Exploit Author: Ahmad Moghimi http://mallocat.com , https://twitter.com/mall0cat Vendor Homepage:...