Vulnerability Report

CVE-2026-35416

Title: Use after free in Windows Ancillary Function Driver for WinSock

Memory Corruption

Proof Of Concept

No public PoC currently indexed for CVE-2026-35416.

CWE Category CWE-416

Published Date May 12, 2026

Modified Date Jun 01, 2026

Exploit Status Not Found

Score 7.0 CVSS v3.1

Exploit Probability (EPSS)

1.65%

Vulnerability Summary

CVE-2026-35416: Access of resource using incompatible type ('type confusion') in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.

Impacted Vendors

microsoft 14

Reference Links

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-35416

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-2026-35416 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

June 01, 2026 MODIFIED

Vulnerability data updated via NVD.

May 14, 2026 MODIFIED

Vulnerability data updated via NVD.

May 13, 2026 MODIFIED

Vulnerability data updated via NVD.

May 12, 2026 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.