Improper Input Validation in the network communication processing in NEC Corporation WebSAM WinShare Ver 7.2.0 through 7.5.0, Ver 7.6.0 and Ver 7.7.0 through 7.7.2 on Windows allows a remote unauthenticated attacker to execute arbitrary commands with SYSTEM privileges via a crafted network packet sent to the computer on which WinShare is running.

Attack Vector Network

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact High

Vulnerable System Integrity Impact High

Vulnerable System Availability Impact High

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.0106.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
NEC Corporation WebSAM WinShare unaffected
Version Status Constraints
Ver 7.2.0 through 7.5.0, Ver 7.6.0 and Ver 7.7.0 through 7.7.2 affected —

No data.

No data.

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Vendors Products
Nec Subscribe
Websam Winshare Subscribe

Project Subscriptions

Vendors Products
Nec Subscribe
Websam Winshare Subscribe
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://jpn.nec.com/security-info/secinfo/nv26-006_en.html cve-icon cve-icon
History

Mon, 09 Nov 2026 17:00:00 +0000

Type Values Removed Values Added
First Time appeared Nec
Nec websam Winshare
Vendors & Products Nec
Nec websam Winshare

Mon, 09 Nov 2026 14:45:00 +0000

Type Values Removed Values Added
Title Remote Command Execution via Crafted Network Packet in NEC WebSAM WinShare

Mon, 09 Nov 2026 06:15:00 +0000

Type Values Removed Values Added
Title Remote Command Execution via Crafted Network Packet in NEC WebSAM WinShare

Mon, 09 Nov 2026 04:30:00 +0000

Type Values Removed Values Added
Description Improper Input Validation in the network communication processing in NEC Corporation WebSAM WinShare Ver 7.2.0 through 7.5.0, Ver 7.6.0 and Ver 7.7.0 through 7.7.2 on Windows allows a remote unauthenticated attacker to execute arbitrary commands with SYSTEM privileges via a crafted network packet sent to the computer on which WinShare is running.
Weaknesses CWE-749
References
Metrics cvssV4_0

{'score': 9.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: NEC

Published:

Updated: 2026-11-10T14:10:12.854Z

Reserved: 2026-10-20T01:52:26.266Z

Link: CVE-2026-113363

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-11-09T05:18:26.107

Modified: 2026-11-10T14:17:12.827

Link: CVE-2026-113363

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-11-09T16:37:26Z

Weaknesses