CVE-2026-88121

HighCVSS 8.0/10Last modified Oct 16, 2026

Description

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

Metrics

CVSS 3.1 8.0/10CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-416

Affected software

Source: the vendor's advisory (CNA). NVD analysis pending.

No affected versions have been published.

Timeline

Published
Oct 13, 2026
Last modified
Oct 16, 2026
NVD status
Undergoing Analysis

Related CVEs from 2026

CVE-2026-881226.5Out-of-bounds read in DNS Server allows an authorized attacker to deny service over a network.CVE-2026-881236.5Out-of-bounds read in DNS Server allows an authorized attacker to deny service over a network.CVE-2026-881247.0Use after free in Windows Installer allows an authorized attacker to elevate privileges locally.CVE-2026-881256.5Out-of-bounds read in DNS Server allows an authorized attacker to deny service over a network.CVE-2026-881267.8Untrusted pointer dereference in WebDAV allows an authorized attacker to elevate privileges locally.CVE-2026-881277.0Use after free in Windows SMB Server allows an authorized attacker to elevate privileges locally.CVE-2026-881287.8Heap-based buffer overflow in Windows DWM Core Library allows an authorized attacker to elevate privileges locally.CVE-2026-881296.5Out-of-bounds read in DNS Server allows an authorized attacker to deny service over a network.CVE-2026-88137.5This affects versions of the package exifreader before 4.39.0. A crafted image containing an ICC mluc tag can set an attacker-controlled recCVE-2026-881306.5Out-of-bounds read in DNS Server allows an authorized attacker to deny service over a network.CVE-2026-881319.8Deserialization of untrusted data in Microsoft Dataverse allows an unauthorized attacker to execute code over a network.CVE-2026-881325.9Origin validation error in Azure Key Vault allows an unauthorized attacker to disclose information over a network.
CVE-2026-88121: High severity, CVSS 8.0 | Vulnix