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NVD Vulnerability Details :
CVE-2026-21219
Analyzed
More InfoOfficial Page
Source-secure@microsoft.com
View Known Exploited Vulnerability (KEV) details
Published At-13 Jan, 2026 | 18:16
Updated At-09 Feb, 2026 | 20:37

Use after free in Inbox COM Objects allows an unauthorized attacker to execute code locally.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Primary3.17.0HIGH
CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Type: Primary
Version: 3.1
Base score: 7.0
Base severity: HIGH
Vector:
CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
CPE Matches
Microsoft Corporation
microsoft
>>windows_software_development_kit>>Versions from 10.0.26100(inclusive) to 10.0.26100.7463(exclusive)
cpe:2.3:a:microsoft:windows_software_development_kit:*:*:*:*:*:*:*:*
Weaknesses
CWE IDTypeSource
CWE-416Primarysecure@microsoft.com
CWE ID: CWE-416
Type: Primary
Source: secure@microsoft.com
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-21219secure@microsoft.com
Vendor Advisory
Hyperlink: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-21219
Source: secure@microsoft.com
Resource:
Vendor Advisory
Change History
0Changes found
Details not found