CRITICAL 9.8 Microsoft PoC

CVE-2025-21298

Windows OLE Remote Code Execution Vulnerability

Microsoft Security Update 2025-Jan: Windows OLE Remote Code Execution Vulnerability

Affected Products

Windows 10 Version 1809 for 32-bit Systems
Windows 10 Version 1809 for x64-based Systems
Windows Server 2019
Windows Server 2019 (Server Core installation)
Windows Server 2022
Windows Server 2022 (Server Core installation)
Windows 10 Version 21H2 for 32-bit Systems
Windows 10 Version 21H2 for ARM64-based Systems

References

Published: 2025-01-14 · Source: Microsoft · Feed updated: 2026-11-06

This critical severity vulnerability with a CVSS score of 9.8 was published on 2025-01-14 via Microsoft. 🚨 A public proof-of-concept exploit is available on GitHub. EPSS score: 74.4% (top 0% of all CVEs by exploitation probability). Affected: Windows 10 Version 1809 for 32-bit Systems, Windows 10 Version 1809 for x64-based Systems, Windows Server 2019 and 5 more.

Risk Timeline

CVE Disclosed2025-01-14 · 660 days ago

Public PoC Exploit AvailableWeaponised proof-of-concept code is publicly accessible

Remediation Resources

Official Advisory

msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21298

NVD / MITRE

nvd.nist.gov/vuln/detail/CVE-2025-21298

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