Vulnerability details
CVE-2026-124194
Actively exploited
Microsoft 365 Apps for EnterpriseMicrosoft Office LTSC
Microsoft Outlook Spoofing Vulnerability
CVSS 3.1
6.5Medium
Official description
Product ui does not warn user of unsafe actions in Microsoft Office Outlook allows an unauthorized attacker to perform spoofing over a network.
Related news
CVSS scores
| Score | Version | Source | Vector |
|---|---|---|---|
| 6.5Medium | 3.1 | CVEProject cvelistV5 (CNA) (microsoft) | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:H/RL:O/RC:C |
Affected products
| Vendor | Product | Versions | Source |
|---|---|---|---|
| Microsoft | Microsoft 365 Apps for Enterprise | 16.0.1 ≤ v < https://aka.ms/OfficeSecurityReleases | CVEProject cvelistV5 (CNA) |
| Microsoft | Microsoft Office LTSC 2021 | 16.0.1 ≤ v < 16.0.14334.21048 | CVEProject cvelistV5 (CNA) |
| Microsoft | Microsoft Office LTSC 2024 | 16.0.0 ≤ v < 16.0.17932.21140 | CVEProject cvelistV5 (CNA) |
References and advisories
2- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-124194 vendor-advisorypatch
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-124194 government-resource
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Details
- Published
- 2026-11-10
- Last updated
- 2026-11-11
- State
- Published
- Assigner (CNA)
- microsoft
- Kolun priority
- 60 · Medium
CISA KEV catalog
- Date added
- 2026-11-10
- Due date
- 2026-11-24
- Used in ransomware
- Unknown
Exploit prediction (EPSS)
No EPSS score has been published for this CVE yet.
SSVC assessment (CISA)
- Automatable
- No
- Exploitation
- Active
- Technical impact
- Partial
Weaknesses (CWE)
- CWE-356Product UI does not Warn User of Unsafe Actions