CVE
CVE-2026-124194
Microsoft · Microsoft 365 Apps for Enterprise; Microsoft · Microsoft Office LTSC 2021; +1 more
- First Reported
- Nov 10, 2026
- Latest Reported
- Nov 10, 2026
CVE Enrichment
- CVSS
- 6.5 MEDIUM
- CISA KEV
- Not listed
Description
Product ui does not warn user of unsafe actions in Microsoft Office Outlook allows an unauthorized attacker to perform spoofing over a network.
Technical Details
- CVSS Version
- 3.1
- CNA / NVD Source
- [email protected]
- Published
- 11-Nov-2026 02:20
- Last Modified
- 11-Nov-2026 04:29
- CWE
- CWE-356
CVSS Vector
CVSS:3.1 AV:N /
AC:L /
PR:N /
UI:R /
S:U /
C:H /
I:N /
A:N
CNA Products / Version Status
- Microsoft · Microsoft 365 Apps for Enterprise
Source: CNA · [email protected]
Default status: unknown
16.0.1 ≤ version < https://aka.ms/OfficeSecurityReleases — affected (custom)
Platforms: 32-bit Systems, x64-based Systems
- Microsoft · Microsoft Office LTSC 2021
Source: CNA · [email protected]
Default status: unknown
16.0.1 ≤ version < 16.0.14334.21048 — affected (custom)
Platforms: 32-bit Systems, x64-based Systems
- Microsoft · Microsoft Office LTSC 2024
Source: CNA · [email protected]
Default status: unknown
16.0.0 ≤ version < 16.0.17932.21140 — affected (custom)
Platforms: 32-bit Systems, x64-based Systems
Affected Products / Versions
- microsoft / 365_apps
Source: NVD CPE · affected
Version / affected range: -
cpe:2.3:a:microsoft:365_apps:-:*:*:*:enterprise:*:x64:* - microsoft / 365_apps
Source: NVD CPE · affected
Version / affected range: -
cpe:2.3:a:microsoft:365_apps:-:*:*:*:enterprise:*:x86:* - microsoft / office_2021
Source: NVD CPE · affected
Version / affected range: -
cpe:2.3:a:microsoft:office_2021:-:*:*:*:ltsc:-:x64:* - microsoft / office_2021
Source: NVD CPE · affected
Version / affected range: -
cpe:2.3:a:microsoft:office_2021:-:*:*:*:ltsc:-:x86:* - microsoft / office_2024
Source: NVD CPE · affected
Version / affected range: -
cpe:2.3:a:microsoft:office_2024:-:*:*:*:ltsc:-:x64:* - microsoft / office_2024
Source: NVD CPE · affected
Version / affected range: -
cpe:2.3:a:microsoft:office_2024:-:*:*:*:ltsc:-:x86:*
References
Sources: NVD · FIRST EPSS · CISA KEV
Latest successful provider update; providers refresh independently.
Reported Context (3)
- The zero-day, tracked as CVE-2026-124194, has been classified as a spoofing flaw and stems from Outlook not alerting users before a potentially dangerous action takes place. Microsoft Says Outlook Zero-Day Was Exploited as It Patches 1,094 Flaws
- CVE-2026-124194 - Microsoft Outlook Spoofing Vulnerability Microsoft’s November 2026 Patch Tuesday Fixes 1,235 Flaws, Including Exploited Outlook Zero-Day
- The exploited zero-day flaw, CVE-2026-124194, is an Outlook spoofing vulnerability. Microsoft patches 1,094 vulnerabilities in November 2026 update
CVE (1)
People (3)
MITRE ATT&CK (1)
Vendors (1)
Products (13)
Note: Related entities, including threat actors, malware, CVEs, MITRE ATT&CK techniques, vendors, products, tools, countries, and industries, are shown when they appear in the same reporting. Their presence does not necessarily mean they were targeted, compromised, vulnerable, responsible for the activity, or directly involved in the incident.
