CVE-2026-20833

medium

Description

Use of a broken or risky cryptographic algorithm in Windows Kerberos allows an authorized attacker to disclose information locally.

References

https://github.com/AlMarWorld/KerberosAudit-PS

https://github.com/v-jfanca/cve-2026-20833-rc4-kerberos

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-20833

Details

Source: Mitre, NVD

Published: 2026-01-13

Updated: 2026-01-15

Risk Information

CVSS v2

Base Score: 4.6

Vector: CVSS2#AV:L/AC:L/Au:S/C:C/I:N/A:N

Severity: Medium

CVSS v3

Base Score: 5.5

Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Severity: Medium

EPSS

EPSS: 0.00023