CVE-2026-83780

CRITICALCVSS 9.8

Description

Use after free in Windows CCFFilter Driver allows an unauthorized attacker to execute code over a network.

Timeline

Published:October 13th, 2026 7:20 PM

Last modified:November 2nd, 2026 12:59 PM

CVSS Scoring

CVSS v3: 9.8 (CRITICAL)

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

Affected Software

From NVD CPE configuration data

Vendors

microsoft

Products

windows_10_1607windows_10_1809windows_server_2016windows_server_2019windows_server_2022windows_server_2025

Weaknesses (CWE)

References & Reports

Advisories, patches, and third-party reports

Source: NIST NVD · Data may lag official sources by up to one minute