Auth bypass in Kaspersky Administration Server

CVE-2026-88941

Kaspersky has fixed a vulnerability in the Network Agent for Windows module of Kaspersky Security Center. The vulnerability could potentially cause the Network Agent module of Kaspersky Security Center to malfunction. There are no evidence of the vulnerability exploitation in-the-wild.

Vulnerability class: Broken Authentication

Published · last modified .

CVSS v3 metric

CVSS v3 base score 5.2 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:L.

EPSS exploit prediction

EPSS: 0.001 (3.7th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 4th percentile — 3.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

The 30-day trend appears once there are two daily scores.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-88941?
CVE-2026-88941 is a medium-severity vulnerability in Kaspersky Administration Server, classified under Missing Authentication for Critical Function. CVSS score: 5.2/10. Published 2026-10-29.
How severe is CVE-2026-88941?
Medium severity. CVSS v3 base score is 5.2 out of 10.