CVE-2026-124194 Microsoft Office Outlook Missing User Interaction for Potentially Unsafe Action
Exploited in the wild
Medium 6.5
Published
Updated
Check this codebase for CVE-2026-124194 and fix it if it is affected.
What it is: CVE-2026-124194 is a medium-severity vulnerability in Microsoft 365 Apps, published on 10 Nov 2026.
Exploitation: Yes. Attackers have exploited CVE-2026-124194 in the wild since at least 10 Nov 2026.
Affected product: Microsoft 365 Apps. No package-level version data is available, so check the vendor advisory linked from the reference page.
Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.
Reference: https://insights.sbomify.com/CVE-2026-124194/ (Markdown: https://insights.sbomify.com/CVE-2026-124194/index.md)
- Exploited in the wild
- Since 10 Nov 2026
- Fix
- None listed
What is CVE-2026-124194?
CVE-2026-124194 is a medium-severity vulnerability in Microsoft 365 Apps, published on 10 Nov 2026.
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.
Weakness: CWE-356
Which versions are affected by CVE-2026-124194?
It affects 3 products.
Products include Microsoft 365 Apps, Microsoft Office LTSC 2021, Microsoft Office LTSC 2024.
How do I fix CVE-2026-124194?
No fix has been published for CVE-2026-124194 yet. Limit exposure of the affected software until one is available. US federal agencies must fix it by 24 Nov 2026.
Is CVE-2026-124194 being exploited?
Yes. Attackers have exploited CVE-2026-124194 in the wild since at least 10 Nov 2026.
Public exploit code: 2 proofs of concept on GitHub.
Other vulnerabilities in Microsoft 365 Apps
- CVE-2024-21413 Microsoft Outlook Improper Input Validation
- CVE-2023-23397 Microsoft Office Outlook Privilege Escalation
- CVE-2024-38189 Microsoft Project Remote Code Execution Vulnerability
- CVE-2023-35311 Microsoft Outlook Security Feature Bypass
- CVE-2026-21514 Microsoft Office Word Reliance on Untrusted Inputs in a Security Decision
Sources
Also known as GHSA-69hg-ppjj-gg27.