CVE-2026-114167

HEVC Video Extensions Remote Code Execution Vulnerability

Published Nov 10, 2026 CVSS 3.1 · 7.8 High EPSS < 1% KEV · Not listed
Description
Heap-based buffer overflow in Microsoft Windows Codecs Library allows an unauthorized attacker to execute code locally.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description Heap-based buffer overflow in Microsoft Windows Codecs Library allows an unauthorized attacker to execute code locally.
Title HEVC Video Extensions Remote Code Execution Vulnerability
First Time appeared Microsoft
Microsoft hevc Video Extensions
Microsoft hevc Video Extensions For Licensed Appplications
Microsoft hevc Video Extensions From Device Manufacturer
Weaknesses CWE-122
CPEs cpe:2.3:a:microsoft:hevc_video_extensions:*:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:hevc_video_extensions_for_licensed_appplications:*:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:hevc_video_extensions_from_device_manufacturer:*:*:*:*:*:*:*:*
Vendors & Products Microsoft
Microsoft hevc Video Extensions
Microsoft hevc Video Extensions For Licensed Appplications
Microsoft hevc Video Extensions From Device Manufacturer
References
Metrics cvssV3_1

{'score': 7.8, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
microsoft
Published
Updated
Nov 12, 2026, 9:42 PM
Reserved
Oct 20, 2026, 9:56 PM
Status
Awaiting Analysis
Published
Nov 10, 2026, 7:19 PM
Modified
Nov 10, 2026, 8:18 PM