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CVE-2021-43256

nvd nist
Published: Dec 15, 2021Modified: Jun 17, 2026

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7.8
Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Exploitability: 1.8 / Impact: 5.9
Source: NVD

Description

Microsoft Excel Remote Code Execution Vulnerability

Affected (13)

Microsoft
7 products
365 Apps
Excel
Excel Rt
Office
Office Long Term Servicing Channel
Office Online Server
Office Web Apps
Configuration A
13 vulnerable
Vulnerable SoftwareAffected Versions
Microsoft
365 Apps
All versions
365 Apps
All versions
Microsoft
Excel
Version 2013 sp1
Excel
Version 2013 sp1
Excel
Version 2016
Excel
Version 2016
Excel Rt
Version 2013 sp1
Microsoft
Office
Version 2019
Office
Version 2019
Microsoft
Office Long Term Servicing Channel
Version 2021
Office Long Term Servicing Channel
Version 2021
Office Online Server
All versions
Office Web Apps
Version 2013 sp1

References (2)

Source: secure@microsoft.com
PatchVendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
PatchVendor Advisory

Timeline

No history available yet.