CVE-2026-21525

6.2 MEDIUM CISA KEV - Actively Exploited

Published: February 10, 2026 Modified: February 11, 2026

Description

Null pointer dereference in Windows Remote Access Connection Manager allows an unauthorized attacker to deny service locally.

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0.0 Low Medium High Critical 10.0

Vector String

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

Patch Vendor Advisory Exploit Third Party Advisory

Source: secure@microsoft.com

Vendor Advisory

Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0

US Government Resource

2 reference(s) from NVD

CVSS v3 Score

6.2 / 10.0

EPSS (Exploit Probability)

3.7%

88th percentile

Exploitation Status

Actively Exploited

Remediation due: 2026-03-03

CWE-476

microsoft