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Microsoft Security Response CenterCVE-2026-21413

Raw Image Extension Remote Code Execution Vulnerability

CriticalVendor CVSS 9.8 / 10 1 CVE Published Oct 13, 2026 at 7:00 AM UTC

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Summary

Heap-based buffer overflow in Windows Raw Image Extension allows an unauthorized attacker to execute code over a network.

Products covered

Raw Image Extension on Windows 10 Version 1607 for x64-based Systems
Raw Image Extension on Windows 10 Version 1607 for 32-bit Systems
Raw Image Extension on Windows 10 for x64-based Systems
Raw Image Extension on Windows 10 for 32-bit Systems
Raw Image Extension on Windows 10 Version 21H2 for x64-based Systems
Raw Image Extension on Windows 10 Version 21H2 for ARM64-based Systems
Raw Image Extension on Windows 10 Version 21H2 for 32-bit Systems
Raw Image Extension on Windows 11 version 21H2 for ARM64-based Systems

Show 16 more products

Raw Image Extension on Windows 11 version 21H2 for x64-based Systems
Raw Image Extension on Windows 10 Version 20H2 for ARM64-based Systems
Raw Image Extension on Windows 10 Version 20H2 for 32-bit Systems
Raw Image Extension on Windows 10 Version 21H1 for 32-bit Systems
Raw Image Extension on Windows 10 Version 21H1 for ARM64-based Systems
Raw Image Extension on Windows 10 Version 21H1 for x64-based Systems
Raw Image Extension on Windows 10 Version 1909 for ARM64-based Systems
Raw Image Extension on Windows 10 Version 1909 for x64-based Systems
Raw Image Extension on Windows 10 Version 1909 for 32-bit Systems
Raw Image Extension on Windows 10 Version 1809 for HoloLens
Raw Image Extension on Windows 10 Version 1809 for ARM64-based Systems
Raw Image Extension on Windows 10 Version 1809 for x64-based Systems
Raw Image Extension on Windows 10 Version 1809 for 32-bit Systems
Raw Image Extension on Windows 11 version 26H2
Raw Image Extension on Windows 11 Version 26H2 for ARM64-based Systems
Raw Image Extension on Windows 11 Version 26H2 for x64-based Systems

Remediation

Release Notes

Vendor-listed fixes

2.4.36.0
2.5.35.0

CVEs in this advisory 1

Updates

Oct 13, 2026 at 7:00 AM UTC
Published by Microsoft Security Response Center
The publication date reported by the vendor.
Oct 13, 2026 at 10:55 PM UTC
Added to SecurityAlert
We collected the advisory from the official source.
Oct 21, 2026 at 1:15 AM UTC
Confirmed at the source
Our collector saw this advisory during a later source check.

Source

Details collected from Microsoft Security Response Center.

Vendor: Microsoft Security Response Center
Advisory ID: CVE-2026-21413
Last source check: Oct 21, 2026 at 1:25 PM UTC

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