CVE-2026-8797

Access Control Deficiency in ExpressUpdate Agent Enables SYSTEM-Privilege Code Execution

Published Jun 26, 2026 CVSS 4.0 · 8.5 High EPSS < 1% KEV · Not listed
Description
An access control deficiency vulnerability exists in ExpressUpdate Agent for Windows. If a malicious user gains access to the product, arbitrary code could be executed with SYSTEM privileges.

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 expressupdate Agent For Windows
Vendors & Products Nec
Nec expressupdate Agent For Windows
Type Values Removed Values Added
Title Access Control Deficiency in ExpressUpdate Agent Enables SYSTEM-Privilege Code Execution
Type Values Removed Values Added
Description An access control deficiency vulnerability exists in ExpressUpdate Agent for Windows. If a malicious user gains access to the product, arbitrary code could be executed with SYSTEM privileges.
Weaknesses CWE-782
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
Jun 26, 2026, 12:19 PM
Reserved
May 18, 2026, 1:11 AM
Status
Deferred
Published
Jun 26, 2026, 5:16 AM
Modified
Oct 25, 2026, 10:10 PM