Detections
Analytics

Microsoft Windows SDK < 10.0.26100.7463 Inbox COM Objects (Global Memory) RCE (January 2026)

high Nessus Plugin ID 283474

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Synopsis

The remote host is missing a security update.

Description

The version of Microsoft Windows SDK installed on the remote host is prior to 10.0.26100.7463. It is, therefore, affected by a remote code execution vulnerability:

 - Use after free in Inbox COM Objects allows an unauthorized attacker to execute code locally. (CVE-2026-21219)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Upgrade to Windows SDK version 10.0.26100.7463 or later.

See Also

http://www.nessus.org/u?4b77bec4

Plugin Details

Severity: High

ID: 283474

File Name: windows_sdk_10_0_26100_7463.nasl

Version: 1.3

Type: local

Agent: windows

Family: Windows

Published: 1/13/2026

Updated: 2/13/2026

Supported Sensors: Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: Medium

Base Score: 6.2

Temporal Score: 4.6

Vector: CVSS2#AV:L/AC:H/Au:N/C:C/I:C/A:C

CVSS Score Source: CVE-2026-21219

CVSS v3

Risk Factor: High

Base Score: 7

Temporal Score: 6.1

Vector: CVSS:3.0/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/a:microsoft:windowssdk

Required KB Items: SMB/Registry/Enumerated, installed_sw/Windows SDK

Exploit Ease: No known exploits are available

Patch Publication Date: 1/13/2026

Vulnerability Publication Date: 1/13/2026

Reference Information

CVE: CVE-2026-21219

IAVA: 2026-A-0055