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CVE-2026-114713

High CVSS 8.6 Known exploited

Published 2026-11-08 · last changed 2026-11-14 · added to CISA KEV 2026-11-13

This one is being exploited in the wild.

CISA added CVE-2026-114713 to the Known Exploited Vulnerabilities catalog on 2026-11-13. Federal agencies are required to remediate it on a deadline. If you have affected machines, this is the class of finding that moves ahead of the rest of the queue.

The fix

We hold no Microsoft remediation data for CVE-2026-114713, which normally means it isn't a Windows CVE. For non-Microsoft software the fix is the vendor's own updated release. The vendor's advisory has the affected and fixed versions.

What it is

The labeled-response module in UnrealIRCd 6.0.0 before 6.2.7.1 does not escape the IRCv3 "label" message tag when echoing it into replies, which allows any user on a network with two or more linked servers to inject server-to-server commands that are executed with server authority.

Sources

CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N