Vulnerability Report

CVE-2026-26173

Title: Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Ancillary Function Driver for WinSock

Arbitrary File Access

Proof Of Concept

No public PoC currently indexed for CVE-2026-26173.

CWE Category CWE-362
Published Date Apr 14, 2026
Modified Date Apr 24, 2026
Exploit Status Not Found
Score 7.0 CVSS v3.1
Exploit Probability (EPSS)
0.16%

Vulnerability Summary

CVE-2026-26173: Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.

CVSS v3.1
Source Entity [email protected]
Severity HIGH
7.0
Attack Vector
LOCAL
Complexity
HIGH
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2026-26173 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

MODIFIED

Vulnerability data updated via NVD.

MODIFIED

Vulnerability data updated via NVD.

MODIFIED

Vulnerability data updated via NVD.

MODIFIED

Vulnerability data updated via NVD.

Attack Vector Matrix

Access Vector LOCAL
Complexity HIGH
Privileges N/A
Interaction NONE
CVSS Vector String CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected Stack

No specific products linked.