CVE-2026-33827NVD

Vulnerability Summary

Concurrent execution using shared resource with improper synchronization ('race condition') in Windows TCP/IP allows an unauthorized attacker to execute code over a network.

Severity Level

HIGH(8.1)

Published Date

Apr 14, 2026

Last Modified

Jul 24, 2026

Exploitation Status

No confirmed exploitation yet

EPSS Score (30-Day)

0.84%Probability

Root Weakness (CWE)

CWE-362: Unknown/Unlisted Weakness ↗

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

CVSS v3.1 Base Metrics — Score 8.1 (HIGH)

Attack VectorNetwork

Attack ComplexityHigh

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

Affected & Patched Versions

Affected Versions

Microsoft Windows 10 1607 < 10.0.14393.9060
Microsoft Windows 10 1809 < 10.0.17763.8644
Microsoft Windows 10 21h2 < 10.0.19044.7184
Microsoft Windows 10 22h2 < 10.0.19045.7184
Microsoft Windows 11 23h2 < 10.0.22631.6936
Microsoft Windows 11 24h2 < 10.0.26100.8246
Microsoft Windows 11 25h2 < 10.0.26200.8246
Microsoft Windows 11 26h1 < 10.0.28000.1836
Microsoft Windows Server 2012
Microsoft Windows Server 2016 < 10.0.14393.9060
Microsoft Windows Server 2019 < 10.0.17763.8644
Microsoft Windows Server 2022 < 10.0.20348.5020
Microsoft Windows Server 2022 23h2 < 10.0.25398.2274
Microsoft Windows Server 2025 < 10.0.26100.32690

Patched Versions

Microsoft Windows 10 1607 10.0.14393.9060
Microsoft Windows 10 1809 10.0.17763.8644
Microsoft Windows 10 21h2 10.0.19044.7184
Microsoft Windows 10 22h2 10.0.19045.7184
Microsoft Windows 11 23h2 10.0.22631.6936
Microsoft Windows 11 24h2 10.0.26100.8246
Microsoft Windows 11 25h2 10.0.26200.8246
Microsoft Windows 11 26h1 10.0.28000.1836
Microsoft Windows Server 2016 10.0.14393.9060
Microsoft Windows Server 2019 10.0.17763.8644
Microsoft Windows Server 2022 10.0.20348.5020
Microsoft Windows Server 2022 23h2 10.0.25398.2274
Microsoft Windows Server 2025 10.0.26100.32690

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