CVE-2026-113362

Local Privilege Escalation via Improper Access Control in WebSAM WinShare Installation Folder

Published Nov 9, 2026 CVSS 4.0 · 8.5 High EPSS < 1% KEV · Not listed
Description
Improper Access Control in the program installation folder in NEC Corporation WebSAM Winshare Ver 7.5.0 and earlier (excluding Ver 7.3.3), Ver 7.6.0 and Ver 7.7.0 through 7.7.1 on Windows allows a locally authenticated low-privileged attacker to execute arbitrary code with SYSTEM privileges via a crafted DLL file that is loaded by a SYSTEM-level process.

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
First Time appeared Nec
Nec websam Winshare
Vendors & Products Nec
Nec websam Winshare
Type Values Removed Values Added
Title Local Privilege Escalation via Improper Access Control in WebSAM WinShare Installation Folder
Type Values Removed Values Added
Description Improper Access Control in the program installation folder in NEC Corporation WebSAM Winshare Ver 7.5.0 and earlier (excluding Ver 7.3.3), Ver 7.6.0 and Ver 7.7.0 through 7.7.1 on Windows allows a locally authenticated low-privileged attacker to execute arbitrary code with SYSTEM privileges via a crafted DLL file that is loaded by a SYSTEM-level process.
Weaknesses CWE-276
References
Metrics cvssV4_0

{'score': 8.5, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
NEC
Published
Updated
Nov 10, 2026, 2:10 PM
Reserved
Oct 20, 2026, 1:52 AM
Status
Deferred
Published
Nov 9, 2026, 4:17 AM
Modified
Nov 12, 2026, 10:11 PM