Microsoft Office Outlook Missing User Interaction for Potentially Unsafe Action Vulnerability
Microsoft Office Outlook contains a missing user interaction for potentially unsafe action vulnerability that allows an unauthorized attacker to perform spoofing over a network.
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
Read at CISA Known Exploited Vulnerabilities catalog
- Vendor
- Microsoft
- Product
- Office
- CISA KEV
- added 10 Nov 2026, due 24 Nov 2026 (14d)
- Exploitation
- observed in the wild
- Fix
- available
- Weakness
- CWE-356
- Exposure class
- Collaboration
Why it ranks 93 (Critical)
- CISA KEV listed, remediation due 2026-11-24
- Product class: collaboration
- Widely deployed vendor product (Microsoft)
- Covered by 3 independent sources
- Fix available
- Government advisory
- Recency: items published within 24 hours gain 15, within 72 hours 6, within 7 days 2.
Links
- CISA Known Exploited Vulnerabilities catalog (nvd.nist.gov)
- Vendor advisory (msrc.microsoft.com)
- CVE-2026-124194 on this site · NVD · CVE.org · Vulnpedia · KEV
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