Is there a public exploit for CVE-2026-113363?

No public exploit for CVE-2026-113363 was found in Exploit-DB, Metasploit, Nuclei templates or public proof-of-concept repositories. That is an absence of evidence rather than proof that none exists.

How severe is CVE-2026-113363?

CVE-2026-113363 scores CVSS 9.3 (v4.0), rated critical.

What does CVE-2026-113363 affect?

CVE-2026-113363 affects NEC Corporation WebSAM WinShare.

9.3 Critical

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…

CVE-2026-113363

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.

Assessment

CVSS: 9.3 (v4.0)
Severity: Critical
Known exploited: Not listed in CISA KEV
Exploit availability: Nothing found in Exploit-DB, Metasploit, Nuclei or public PoC repositories
Published: 9 November 2026
Last updated: 9 November 2026
Affected: NEC Corporation · WebSAM WinShare
Assigner: NEC

CVSS vectorCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

At the source

EUVD (ENISA)

References

https://jpn.nec.com/security-info/secinfo/nv26-006_en.html

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