Vulnerability

CVE-2026-68820

Descriptive record received from OpenCTI and minimised for consultation in the Intel portal.

Sharing: TLP:CLEAR
Confidence: 100
Source: Cybersecurity and Infrastructure Security Agency
Updated: 26/09/2026 04:41

Description

Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.

STIX identifiervulnerability--780b6b10-7b0a-5227-b8e8-1deab0ad1607

First observation-

Last observation-

Known relationships25

Aliases and classifications

CWE-416Use After Free

Minimised technical details

No raw data

cvss score: 7
cvss vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
cvss severity: HIGH
cisa kev: True

Provenance

Public references

Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-68820

EudorIA correlation

Intel catalogue

The vulnerability is also available in the EudorIA editorial catalogue.

Open EudorIA analysis

Presence in OpenCTI describes an intelligence correlation and does not, by itself, constitute evidence of compromise, legal attribution or operational guidance applicable without context verification.