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CVE-2026-21219

nvd nist
Published: Jan 13, 2026Modified: Feb 9, 2026

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7.0
Vector
CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Exploitability: 1.0 / Impact: 5.9
Source: secure@microsoft.com

Description

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

Affected (1)

Microsoft
1 product
Windows Software Development Kit
Configuration A
1 vulnerable
Vulnerable SoftwareAffected Versions
Windows Software Development Kit
From 10.0.26100 to 10.0.26100.7463

Related CWEs

CWE-416
Use After Free
The product reuses or references memory after it has been freed. At some point afterward, the memory may be allocated again and saved in another pointer, while the original pointer references a location somewhere within the new allocation. Any operations using the original pointer are no longer valid because the memory "belongs" to the code that operates on the new pointer.

References (1)

Source: secure@microsoft.com
Vendor Advisory

Timeline

No history available yet.