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CVE-2026-124194

Medium CVSS 6.5 Known exploited

Published 2026-11-10 · last changed 2026-11-10 · added to CISA KEV 2026-11-10

This one is being exploited in the wild.

CISA added CVE-2026-124194 to the Known Exploited Vulnerabilities catalog on 2026-11-10. 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.

From our blog

The fix

We hold no Microsoft remediation data for CVE-2026-124194, which normally means it is not a Windows CVE. For non-Microsoft software the fix is the vendor's own updated release, and the affected versions are listed below.

What it is

Product ui does not warn user of unsafe actions in Microsoft Office Outlook allows an unauthorized attacker to perform spoofing over a network.

Sources

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