CVE-2021-43875: Microsoft 365 apps vulnerability

Microsoft · 365 Apps

Microsoft Office Graphics Remote Code Execution Vulnerability

7.8 CVSS 3.1 High EPSS 5.1% · top 7.9%

7.8CVSS 3.1 base score, v2 6.8

5.1%EPSS exploitation probability, 30 days

NoNot in CISA KEV

3Affected product versions listed by NVD

2References

17 Jun 2026Last modified by NVD

Description

Microsoft Office Graphics Remote Code Execution Vulnerability

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

Affected products

3 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

365 Apps Microsoft

Office Microsoft

Office Long Term Servicing Channel Microsoft

References

Link	Tags
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-43875	PatchVendor Advisory
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-43875	PatchVendor Advisory

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2021-43875), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.