CVE-2025-21217 Windows NTLM Spoofing Vulnerability
Medium 6.5
Published
Updated
Check this codebase for CVE-2025-21217 and fix it if it is affected.
What it is: CVE-2025-21217 is a medium-severity vulnerability in Microsoft Windows 10 1507, published on 14 Jan 2025.
Exploitation: There is no known exploitation of CVE-2025-21217 in the wild and no public exploit code.
Affected product: Microsoft Windows 10 1507. 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-2025-21217/ (Markdown: https://insights.sbomify.com/CVE-2025-21217/index.md)
- Exploited in the wild
- Not known
- Fix
- None listed
What is CVE-2025-21217?
CVE-2025-21217 is a medium-severity vulnerability in Microsoft Windows 10 1507, published on 14 Jan 2025.
Official description
Windows NTLM Spoofing Vulnerability
Weakness: CWE-693
Which versions are affected by CVE-2025-21217?
It affects 15 products.
Products include Microsoft Windows 10 1507, Microsoft Windows 10 1607, Microsoft Windows 10 1809, Microsoft Windows 10 21h2, Microsoft Windows 10 22h2, Microsoft Windows 11 22h2 and 9 more.
How do I fix CVE-2025-21217?
No fix has been published for CVE-2025-21217 yet. Limit exposure of the affected software until one is available.
Is CVE-2025-21217 being exploited?
There is no known exploitation of CVE-2025-21217 in the wild and no public exploit code.
Other vulnerabilities in Microsoft Windows 10 1507
- CVE-2017-8543 Microsoft Windows Search Remote Code Execution
- CVE-2025-33053 Microsoft Windows External Control of File Name or Path
- CVE-2025-33073 Microsoft Windows SMB Client Improper Access Control
- CVE-2024-49039 Microsoft Windows Task Scheduler Privilege Escalation
- CVE-2024-43461 Microsoft Windows MSHTML Platform Spoofing
Sources
Also known as GHSA-2gwv-hh3j-cx86.