Vulnerability record · CVE-2026-8797 · published 26 June 2026

CVE-2026-8797: An access control deficiency vulnerability exists in ExpressUpdate Agent for Windows.

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.

8.5 CVSS 4.0 High EPSS 0.15% · top 96.5% CWE-782 · CWE-782 Deferred

8.5CVSS 4.0 base score

0.15%EPSS exploitation probability, 30 days

NoNot in CISA KEV

0Affected product versions listed by NVD

1References

26 Jun 2026Last modified by NVD

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.

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

References

Link	Tags
https://jpn.nec.com/security-info/secinfo/nv26-004_en.html

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

7.8CVE-2021-21551Dell dbutil_2_3.sys driver insufficient access control privilege escalationThe Dell dbutil_2_3.sys driver contains insufficient access control that lets a local user reach privileged driver operations. It matters because the…KEVEPSS 79%analysed4 May 2021

Source: NIST National Vulnerability Database (record CVE-2026-8797), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.