6.5

CVE-2026-124194: Microsoft Office Outlook Missing User Interaction for Potentially Unsafe Action Vulnerability

KEV
Undergoing analysis
Published 10-11-2026Last modified 10-11-2026

Vulnerability summary

CVE-2026-124194 is a medium (CVSS 6.5) vulnerability in Microsoft Office. It is known to be exploited: CISA lists it, first on 10-11-2026.

Priority
Act nowlisted as exploited

Listed as exploited by CISA (10-11-2026)

Source freshness unavailable

How is this decided?
CVSS score
6.5/10
010
Medium · v3.1 (CVE.org)
EPSS scoreNot scoredRisk metrics not yet published.
KEVExploited in the wildCritical · listed in 1 catalog
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Timeline

  1. 10-11-2026
    PublishedVulnerability first disclosed.
  2. 10-11-2026
    Added to CISA KEVExploitedMicrosoft Office Outlook Missing User Interaction for Potentially Unsafe Action Vulnerability
  3. 10-11-2026
    Last modifiedVulnerability information updated.
  4. 24-11-2026
    CISA remediation dueUpcomingApply mitigations per vendor instructions.

Description

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

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

No EPSS score has been published for this record yet.

Known exploited

Compare KEV catalogs
CISA KEVListed
Added
10-11-2026
Federal due date
24-11-2026
ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

CISA required action

Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines. msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2026-124194 nvd.nist.gov/vuln/detail/CVE-2026-124194

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: network-reachable, no authentication, user interaction (CVSS vector). Other conditions: not stated in public data.

Microsoft3 products

1 vendor · 3 products

References

2 links