Vulnerability Intelligence Report
Microsoft Outlook Spoofing Vulnerability
CVE-2026-124194
Product ui does not warn user of unsafe actions in Microsoft Office Outlook allows an unauthorized attacker to perform spoofing over a network.
CISA KEV
SSVC: Active Exploitation
CVSS Base Score
6.5
MEDIUM
Exploitability:2.9
Impact Score:3.6
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
—
Authentication
—
Weaponization
—
SSVC Action
—
Weaknesses (CWE)
CWE-356 ↗CWE-356: Product UI does not Warn User of Unsafe Actions
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| Microsoft | Microsoft 365 Apps for Enterprise | 16.0.1 < https://aka.ms/OfficeSecurityReleases (affected) |
| Microsoft | Microsoft Office LTSC 2021 | 16.0.1 < 16.0.14334.21048 (affected) |
| Microsoft | Microsoft Office LTSC 2024 | 16.0.0 < 16.0.17932.21140 (affected) |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
CISA KEV
ACTIVE IN CATALOG
GitHub Advisory
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | Microsoft Corporation · Vendor · USA |
| Reserved | 2026-11-06T22:09:21 |
| Published | 2026-11-10T18:22:22 |
| Patch Date | 2026-11-10 |
| Last Updated | 2026-11-10T23:53:58 |
Community Chatter & Buzz