Vulnerability Report

CVE-2026-33827

Title: Race Condition in Windows TCP/IP

Arbitrary File Access

Proof Of Concept

PoC Available for CVE-2026-33827

CWE Category CWE-362

Published Date Apr 14, 2026

Modified Date Apr 17, 2026

Exploit Status Available

Score 8.1 CVSS v3.1

Exploit Probability (EPSS)

0.63%

Vulnerability Summary

CVE-2026-33827: Concurrent execution using shared resource with improper synchronization ('race condition') in Windows TCP/IP allows an unauthorized attacker to execute code over a network.

Impacted Vendors

microsoft 14

Reference Links

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-33827

CVSS v3.1

Source Entity [email protected]

Severity HIGH

8.1

Attack Vector

NETWORK

Complexity

HIGH

Privileges

N/A

Interaction

NONE

Confidentiality

N/A

Integrity

N/A

Availability

N/A

Scope

UNCHANGED

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

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2026-33827 Exploits & PoCs (Proof Of Concept)

GitHub https://github.com/kaleth4/CVE-2026-33827

View Code

April 17, 2026 MODIFIED

Vulnerability data updated via NVD.

April 17, 2026 MODIFIED

Vulnerability data updated via NVD.

April 17, 2026 MODIFIED

Vulnerability data updated via NVD.

April 14, 2026 MODIFIED

Vulnerability data updated via NVD.

Attack Vector Matrix

Access Vector NETWORK

Complexity HIGH

Privileges N/A

Interaction NONE

CVSS Vector String


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

Affected Stack

No specific products linked.