Is CVE-2026-124194 exploited in the wild?

Yes. CVE-2026-124194 is known to be exploited in the wild, first recorded on 10 November 2026. Treat it as urgent.

How severe is CVE-2026-124194?

Critical severity, with a CVSS score of 6.5, published 10 November 2026.

Is there a fix for CVE-2026-124194?

No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

How is CVE-2026-124194 attacked?

It is attacked over the network, in a web application.

Am I affected by CVE-2026-124194?

Check whether you run Microsoft Office, Microsoft Office Outlook or Microsoft Outlook. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

CVE-2026-124194: Microsoft Office Outlook user warning spoofing vulnerability

CVE-2026-124194 · Severity: critical · CVSS 6.5 · Exploited in the wild · Published 2026-11-10

Microsoft Office Outlook does not adequately warn users about unsafe actions, allowing attackers to perform spoofing attacks that could deceive users into taking dangerous actions. An attacker could impersonate legitimate email senders or manipulate message display, potentially leading to credential theft, malware installation, or data exfiltration without the user realizing the risk.

Technologies: Microsoft Office, Microsoft Office Outlook, Microsoft Outlook. Vendors: Microsoft.

Quick answers

Is CVE-2026-124194 exploited in the wild?: Yes. CVE-2026-124194 is known to be exploited in the wild, first recorded on 10 November 2026. Treat it as urgent.
How severe is CVE-2026-124194?: Critical severity, with a CVSS score of 6.5, published 10 November 2026.
Which products and versions are affected?: Microsoft Office Outlook.
Is there a fix for CVE-2026-124194?: No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
How is CVE-2026-124194 attacked?: It is attacked over the network, in a web application.
Am I affected by CVE-2026-124194?: Check whether you run Microsoft Office, Microsoft Office Outlook or Microsoft Outlook. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Technical details

A missing or insufficient user interface warning in Microsoft Office Outlook fails to alert users to unsafe actions, enabling spoofing attacks over a network. The vulnerability allows an unauthenticated attacker to exploit this by crafting malicious emails or manipulating display elements to deceive recipients. A fix is expected from Microsoft.

Affected products

Microsoft Office Outlook

Timeline

2026-11-10: disclosed

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-124194

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