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Microsoft Security Response CenterCVE-2026-114164

HEVC Video Extensions Remote Code Execution Vulnerability

HighVendor CVSS 8.8 / 10 1 CVE Published Nov 10, 2026 at 8:00 AM UTC

Get alerts for HEVC Video Extensions from Device Manufacturer on Windows

Summary

Integer underflow (wrap or wraparound) in Microsoft Windows Codecs Library allows an unauthorized attacker to execute code over a network.

Products covered

HEVC Video Extensions from Device Manufacturer on Windows 10 version 1809
HEVC Video Extensions from Device Manufacturer on Windows 10 version 21H2
HEVC Video Extensions from Device Manufacturer on Windows 10 version 22H2
HEVC Video Extensions from Device Manufacturer on Windows 11 version 23H2
HEVC Video Extensions from Device Manufacturer on Windows 11 version 24H2
HEVC Video Extensions from Device Manufacturer on Windows 11 version 25H2
HEVC Video Extensions from Device Manufacturer on Windows 11 version 26H1
HEVC Video Extensions from Device Manufacturer on Windows 11 version 26H2

Show 16 more products

HEVC Video Extensions on Windows 10 version 1809
HEVC Video Extensions on Windows 10 version 21H2
HEVC Video Extensions on Windows 10 version 22H2
HEVC Video Extensions on Windows 11 version 23H2
HEVC Video Extensions on Windows 11 version 24H2
HEVC Video Extensions on Windows 11 version 25H2
HEVC Video Extensions on Windows 11 version 26H1
HEVC Video Extensions on Windows 11 version 26H2
HEVC Video Extensions for Licensed Applications on Windows 10 version 1809
HEVC Video Extensions for Licensed Applications on Windows 10 version 21H2
HEVC Video Extensions for Licensed Applications on Windows 10 version 22H2
HEVC Video Extensions for Licensed Applications on Windows 11 version 23H2
HEVC Video Extensions for Licensed Applications on Windows 11 version 24H2
HEVC Video Extensions for Licensed Applications on Windows 11 version 25H2
HEVC Video Extensions for Licensed Applications on Windows 11 version 26H1
HEVC Video Extensions for Licensed Applications on Windows 11 version 26H2

Remediation

Release Notes

Vendor-listed fixes

2.4.149.0
2.5.48.0
2.4.151.0
2.4.150.0

CVEs in this advisory 1

CVE-2026-114164

Updates

Nov 10, 2026 at 8:00 AM UTC
Published by Microsoft Security Response Center
The publication date reported by the vendor.
Nov 10, 2026 at 8:15 PM UTC
Added to SecurityAlert
We collected the advisory from the official source.

Source

Details collected from Microsoft Security Response Center.

Vendor: Microsoft Security Response Center
Advisory ID: CVE-2026-114164
Last source check: Nov 10, 2026 at 8:15 PM UTC

Official bulletin How SecurityAlert builds this record

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