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Internet Security

5 CVEs product

Monthly

CVE-2026-27750 HIGH This Week

Internet Security contains a vulnerability that allows attackers to deletion of protected files or directories and can lead to local privilege escal (CVSS 7.8).

Denial Of Service Privilege Escalation Internet Security
NVD
CVSS 3.1
7.8
EPSS
0.0%
CVE-2026-27749 HIGH This Week

Arbitrary code execution as SYSTEM in Avira Internet Security's System Speedup component occurs when the privileged RealTimeOptimizer.exe process deserializes untrusted .NET binary data from a world-writable ProgramData location without validation. A local attacker can craft a malicious serialized payload to achieve immediate privilege escalation and full system compromise. No patch is currently available for this high-severity vulnerability.

Deserialization RCE Internet Security
NVD
CVSS 3.1
7.8
EPSS
0.0%
CVE-2026-27748 HIGH This Week

Avira Internet Security's Software Updater fails to validate symbolic links when deleting files during updates, allowing a local attacker to redirect SYSTEM-level file deletion operations to arbitrary targets. An authenticated local user can exploit this improper link resolution to delete critical system files, potentially achieving privilege escalation, denial of service, or compromising system integrity. No patch is currently available.

Denial Of Service Privilege Escalation Internet Security
NVD
CVSS 3.1
7.8
EPSS
0.0%
CVE-2025-7097 HIGH POC This Week

A vulnerability, which was classified as critical, has been found in Comodo Internet Security Premium 12.3.4.8162. This issue affects some unknown processing of the file cis_update_x64.xml of the component Manifest File Handler. The manipulation of the argument binary/params leads to os command injection. The attack may be initiated remotely. The complexity of an attack is rather high. The exploitation is known to be difficult. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Command Injection Internet Security
NVD VulDB
CVSS 3.1
8.1
EPSS
0.8%
CVE-2025-7096 HIGH POC This Week

A vulnerability classified as critical was found in Comodo Internet Security Premium 12.3.4.8162. This vulnerability affects unknown code of the file cis_update_x64.xml of the component Manifest File Handler. The manipulation leads to improper validation of integrity check value. The attack can be initiated remotely. The complexity of an attack is rather high. The exploitation appears to be difficult. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Information Disclosure Internet Security
NVD VulDB
CVSS 3.1
8.1
EPSS
0.1%
EPSS 0% CVSS 7.8
HIGH This Week

Internet Security contains a vulnerability that allows attackers to deletion of protected files or directories and can lead to local privilege escal (CVSS 7.8).

Denial Of Service Privilege Escalation Internet Security
NVD
EPSS 0% CVSS 7.8
HIGH This Week

Arbitrary code execution as SYSTEM in Avira Internet Security's System Speedup component occurs when the privileged RealTimeOptimizer.exe process deserializes untrusted .NET binary data from a world-writable ProgramData location without validation. A local attacker can craft a malicious serialized payload to achieve immediate privilege escalation and full system compromise. No patch is currently available for this high-severity vulnerability.

Deserialization RCE Internet Security
NVD
EPSS 0% CVSS 7.8
HIGH This Week

Avira Internet Security's Software Updater fails to validate symbolic links when deleting files during updates, allowing a local attacker to redirect SYSTEM-level file deletion operations to arbitrary targets. An authenticated local user can exploit this improper link resolution to delete critical system files, potentially achieving privilege escalation, denial of service, or compromising system integrity. No patch is currently available.

Denial Of Service Privilege Escalation Internet Security
NVD
EPSS 1% CVSS 8.1
HIGH POC This Week

A vulnerability, which was classified as critical, has been found in Comodo Internet Security Premium 12.3.4.8162. This issue affects some unknown processing of the file cis_update_x64.xml of the component Manifest File Handler. The manipulation of the argument binary/params leads to os command injection. The attack may be initiated remotely. The complexity of an attack is rather high. The exploitation is known to be difficult. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Command Injection Internet Security
NVD VulDB
EPSS 0% CVSS 8.1
HIGH POC This Week

A vulnerability classified as critical was found in Comodo Internet Security Premium 12.3.4.8162. This vulnerability affects unknown code of the file cis_update_x64.xml of the component Manifest File Handler. The manipulation leads to improper validation of integrity check value. The attack can be initiated remotely. The complexity of an attack is rather high. The exploitation appears to be difficult. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Information Disclosure Internet Security
NVD VulDB

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