CVE-2025-21338: GDI+ Remote Code Execution Vulnerability

Severity: high (CVSS 7.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-01-14 · updated 2026-06-17
Weakness: CWE-190

Description

GDI+ Remote Code Execution Vulnerability

Affected products

Microsoft Office: before 2.93.24123014; before 16.0.14326.22175; before 16.0.18429.20000; before 16.93.25011212; 2024 — fixed in 16.0.14326.22175, 16.0.18429.20000, 16.93.25011212, 2.93.24123014
Microsoft Office LTSC for Mac 2021: 2021
Microsoft Windows 10 Version 1507: before 10.0.10240.20890 — fixed in 10.0.10240.20890
Microsoft Windows 10 1607: before 10.0.14393.7699 — fixed in 10.0.14393.7699
Microsoft Windows 10: before 10.0.17763.6775 — fixed in 10.0.17763.6775
Microsoft Windows 10: before 10.0.19044.5371 — fixed in 10.0.19044.5371
Microsoft Windows 10: before 10.0.19045.5371 — fixed in 10.0.19045.5371
Microsoft Windows 11: before 10.0.22621.4751 — fixed in 10.0.22621.4751
Microsoft Windows 11: before 10.0.22631.4751 — fixed in 10.0.22631.4751
Microsoft Windows 11: before 10.0.26100.2894 — fixed in 10.0.26100.2894
Microsoft Windows Server 2008: r2-sp1
Microsoft Windows Server 2012: r2
Microsoft Windows Server 2016: before 10.0.14393.7699 — fixed in 10.0.14393.7699
Microsoft Windows Server 2019: before 10.0.17763.6775 — fixed in 10.0.17763.6775
Microsoft Windows Server 2022: before 10.0.20348.3091 — fixed in 10.0.20348.3091
Microsoft Windows Server 2022, 23H2 Edition (Server Core installation): before 10.0.25398.1369 — fixed in 10.0.25398.1369
Microsoft Windows Server 2025: before 10.0.26100.2894 — fixed in 10.0.26100.2894
Microsoft Office for Android: from 16.0.1 before 16.0.18429.20000 — fixed in 16.0.18429.20000
Microsoft Office for iOS: from 2.0.0 before 2.93.24123014 — fixed in 2.93.24123014
Microsoft Office for Universal: from 16.0.1 before 16.0.14326.22175 — fixed in 16.0.14326.22175
Microsoft Office LTSC for Mac 2024: from 16.0.0 before 16.93.25011212 — fixed in 16.93.25011212
Microsoft Office For Mac: from 1.0.0 before 16.93.25011212 — fixed in 16.93.25011212
Microsoft Office LTSC for Mac 2021: from 16.0.1 before 16.93.25011212 — fixed in 16.93.25011212
Microsoft Windows 10 Version 1507: from 10.0.10240.0 before 10.0.10240.20890 — fixed in 10.0.10240.20890
Microsoft Windows 10 1607: from 10.0.14393.0 before 10.0.14393.7699 — fixed in 10.0.14393.7699
Microsoft Windows 10: from 10.0.17763.0 before 10.0.17763.6775 — fixed in 10.0.17763.6775
Microsoft Windows 10: from 10.0.19044.0 before 10.0.19044.5371 — fixed in 10.0.19044.5371
Microsoft Windows 10: from 10.0.19045.0 before 10.0.19045.5371 — fixed in 10.0.19045.5371
Microsoft Windows 11: from 10.0.22621.0 before 10.0.22621.4751 — fixed in 10.0.22621.4751
Microsoft Windows 11 version 22H3: from 10.0.22631.0 before 10.0.22631.4751 — fixed in 10.0.22631.4751

How to fix

Upgrade to a fixed version: Microsoft Office 16.0.14326.22175, 16.0.18429.20000, 16.93.25011212, 2.93.24123014; Microsoft Windows 10 Version 1507 10.0.10240.20890; Microsoft Windows 10 1607 10.0.14393.7699; Microsoft Windows 10 10.0.17763.6775; Microsoft Windows 10 10.0.19044.5371; Microsoft Windows 10 10.0.19045.5371; Microsoft Windows 11 10.0.22621.4751; Microsoft Windows 11 10.0.22631.4751; Microsoft Windows 11 10.0.26100.2894; Microsoft Windows Server 2016 10.0.14393.7699; Microsoft Windows Server 2019 10.0.17763.6775; Microsoft Windows Server 2022 10.0.20348.3091. Check the vendor advisory for mitigations.

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21338

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