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ExpressUpdate Agent for Windows improper access restriction on its named pipe

unknownCVE-2026-8797
ExpressUpdate Agent for Windows provided by NEC Corporation configures its named pipe with an improper access restriction.

CSIRTS triage

What
The ExpressUpdate Agent for Windows has improper access restrictions on its named pipe.
Who is affected
Users of the ExpressUpdate Agent for Windows.
Urgency
This vulnerability could allow privilege escalation, requiring prompt attention.
Action
Apply the necessary updates to fix the access restriction issue.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source
JVN (Japan Vulnerability Notes) (JP · national-cert · site)
Severity
unknown
Published
2026-06-26
Exploitation
Not in CISA KEV at last sync

Original advisory: https://jvn.jp/en/jp/JVN35146924/

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2026-8797coverage & exploitation statusNVD · CVE.org

Same CVEs, other sources

How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.

Recent advisories for ExpressUpdate Agent for

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

More from JVN (Japan Vulnerability Notes)