Kaspersky Network Agent and Security Center Denial of Service (CVE-2026-88941)

A denial of service vulnerability exists in multiple versions of the Kaspersky Network Agent and Security Center Administration Server. Successful exploitation of CVE-2026-88941 allows an attacker to disrupt the functionality of the affected modules. Kaspersky has issued security advisory 12430#291026 with remediation instructions and required patches.

Impact

Successful exploitation results in a denial of service, impacting the availability of the Kaspersky security management infrastructure.

Recommendation

Identify and patch all instances of the affected Kaspersky software modules immediately. Refer to Kaspersky security advisory 12430#291026 for specific update instructions for the following versions:

• Kaspersky Network Agent for Windows XP SP2 (< 10.5.0.1781)
• Kaspersky Network Agent for Windows XP SP3 (< 14.0.0.20145)
• Kaspersky Network Agent for Windows (< 17.0.0.3992)
• Kaspersky Next Expert View Network Agent (< 16.2.0.1547)
• Kaspersky Next Pro View Network Agent (< 15.1.0.22268)
• Kaspersky Security Center Administration Server for Windows (< 15.1.0.28509, Update 3)