CVE-2026-88173

HIGHCVSS 8.1

Description

Use after free in Windows Background Intelligent Transfer Service (BITS) allows an unauthorized attacker to execute code over a network.

Timeline

Published:October 13th, 2026 7:21 PM

Last modified:October 20th, 2026 12:36 AM

CVSS Scoring

CVSS v3: 8.1 (HIGH)

CVSS:3.1/AV:N/AC:H/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_2012windows_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