Description
Integer underflow (wrap or wraparound) in Microsoft Windows Codecs Library allows an unauthorized attacker to execute code over a network.
Published: 2026-11-10
Score: 8.8 High
EPSS: n/a
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Tue, 10 Nov 2026 18:30:00 +0000

Type Values Removed Values Added
Description Integer underflow (wrap or wraparound) in Microsoft Windows Codecs Library allows an unauthorized attacker to execute code over a network.
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-191
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': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C'}

Subscriptions

Microsoft Hevc Video Extensions Hevc Video Extensions For Licensed Appplications Hevc Video Extensions From Device Manufacturer
cve-icon MITRE

Status: PUBLISHED

Assigner: microsoft

Published:

Updated: 2026-11-10T18:15:13.134Z

Reserved: 2026-10-20T21:56:39.317Z

Link: CVE-2026-114164

cve-icon Vulnrichment

No data.

cve-icon NVD

No data.

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses
  • CWE-191

    Integer Underflow (Wrap or Wraparound)