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Reported 80ExploitedPatch availableFirst seen 10 Nov 2026, 19:19 UTC

Exploited Outlook Zero-Day Among 1,094 Flaws Patched by Microsoft

Vendor Microsoft

Coverage

HeadlineSourceTypePublished
Exploited Outlook Zero-Day Among 1,094 Flaws Patched by Microsoft SecurityWeekSecurity press10 Nov 2026, 19:19 UTC

Vulnerabilities and remediation

CVE-2026-124194 Patch availableExploited (CISA KEV) CVSS pending

Microsoft Office Outlook Missing User Interaction for Potentially Unsafe Action Vulnerability

Fixed in
Microsoft Office LTSC 2021 16.0.14334.21048 Microsoft Office LTSC 2024 16.0.17932.21140
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… Due 24 Nov 2026 (US federal deadline)
Your version
Check if your Microsoft 365 Apps for Enterprise version is affected →
Checked
Vendor record (microsoft) checked 4 h ago

Fix status, versions and advisories from NVD; required actions from CISA. EPSS is FIRST’s estimate of the chance of exploitation in the next 30 days. Always confirm with the vendor advisory.

Why this score

Most trusted source70
Independent organisations reporting it (1)+0
Confirmed by an official source or CISA KEV+10
Confidence80 · Reported
We link to the original reporting and don’t reproduce it. Read the sources above for the full details.