CVE-2026-21525NVD

Vulnerability Summary

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

Severity Level

MEDIUM(6.2)

Published Date

Feb 10, 2026

Last Modified

Mar 30, 2026

Exploitation Status

ACTIVE

EPSS Score (30-Day)

9.39%Probability

Root Weakness (CWE)

CWE-476: Unknown/Unlisted Weakness ↗

Refer to the official MITRE database for detailed architectural specifications regarding this weakness.

CVSS v3.1 Base Metrics — Score 6.2 (MEDIUM)

Attack VectorLocal

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

ConfidentialityNone

IntegrityNone

AvailabilityHigh

Affected & Patched Versions

Affected Versions

Microsoft Windows 10 1607 < 10.0.14393.8868
Microsoft Windows 10 1809 < 10.0.17763.8389
Microsoft Windows 10 21h2 < 10.0.19044.6937
Microsoft Windows 10 22h2 < 10.0.19045.6937
Microsoft Windows 11 23h2 < 10.0.22631.6649
Microsoft Windows 11 24h2 < 10.0.26100.7781
Microsoft Windows 11 25h2 < 10.0.26200.7781
Microsoft Windows Server 2012
Microsoft Windows Server 2016 < 10.0.14393.8868
Microsoft Windows Server 2019 < 10.0.17763.8389
Microsoft Windows Server 2022 < 10.0.20348.4711
Microsoft Windows Server 2022 23h2 < 10.0.25398.2149
Microsoft Windows Server 2025 < 10.0.26100.32313

Patched Versions

Microsoft Windows 10 1607 10.0.14393.8868
Microsoft Windows 10 1809 10.0.17763.8389
Microsoft Windows 10 21h2 10.0.19044.6937
Microsoft Windows 10 22h2 10.0.19045.6937
Microsoft Windows 11 23h2 10.0.22631.6649
Microsoft Windows 11 24h2 10.0.26100.7781
Microsoft Windows 11 25h2 10.0.26200.7781
Microsoft Windows Server 2016 10.0.14393.8868
Microsoft Windows Server 2019 10.0.17763.8389
Microsoft Windows Server 2022 10.0.20348.4711
Microsoft Windows Server 2022 23h2 10.0.25398.2149
Microsoft Windows Server 2025 10.0.26100.32313

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