CVE-2021-36968 Windows DNS Elevation of Privilege Vulnerability
High 7.8
Published
Updated
Check this codebase for CVE-2021-36968 and fix it if it is affected.
What it is: CVE-2021-36968 is a high-severity vulnerability in Microsoft Windows 7, published on 15 Sep 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2021-36968 in the wild and no public exploit code.
Affected product: Microsoft Windows 7. 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-2021-36968/ (Markdown: https://insights.sbomify.com/CVE-2021-36968/index.md)
An attacker can exploit a flaw in Windows DNS to gain elevated privileges on affected systems.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-36968?
CVE-2021-36968 is a high-severity vulnerability in Microsoft Windows 7, published on 15 Sep 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Windows DNS Elevation of Privilege Vulnerability
Weakness: CWE-269
Which versions are affected by CVE-2021-36968?
It affects 2 products.
Products include Microsoft Windows 7, Microsoft Windows Server 2008.
How do I fix CVE-2021-36968?
No fix has been published for CVE-2021-36968 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-36968 being exploited?
There is no known exploitation of CVE-2021-36968 in the wild and no public exploit code.
Other vulnerabilities in Microsoft Windows 7
- CVE-2015-1635 Microsoft HTTP.sys Remote Code Execution
- CVE-2015-2360 Microsoft Win32k Privilege Escalation
- CVE-2014-6324 Microsoft Kerberos Key Distribution Center (KDC) Privilege Escalation
- CVE-2014-6332 Microsoft Windows Object Linking & Embedding (OLE) Automation Array Remote Code Execution
- CVE-2014-4148 Microsoft Windows Remote Code Execution
Sources
Also known as GHSA-xq2h-74x7-89f4.