CVE-2024-20686 Win32k Elevation of Privilege Vulnerability
High 7.8
Published
Updated
Check this codebase for CVE-2024-20686 and fix it if it is affected.
What it is: CVE-2024-20686 is a high-severity vulnerability in Microsoft Windows Server 2022 23h2, published on 9 Jan 2024. 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-2024-20686 in the wild and no public exploit code.
Affected product: Microsoft Windows Server 2022 23h2. 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-2024-20686/ (Markdown: https://insights.sbomify.com/CVE-2024-20686/index.md)
An attacker can exploit a Win32k vulnerability to elevate privileges on Windows Server 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-2024-20686?
CVE-2024-20686 is a high-severity vulnerability in Microsoft Windows Server 2022 23h2, published on 9 Jan 2024. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Win32k Elevation of Privilege Vulnerability
Weakness: CWE-591
Which versions are affected by CVE-2024-20686?
It affects 1 product.
Products include Microsoft Windows Server 2022 23h2.
How do I fix CVE-2024-20686?
No fix has been published for CVE-2024-20686 yet. Limit exposure of the affected software until one is available.
Is CVE-2024-20686 being exploited?
There is no known exploitation of CVE-2024-20686 in the wild and no public exploit code.
Other vulnerabilities in Microsoft Windows Server 2022 23h2
- CVE-2024-30007 Microsoft Brokering File System Elevation of Privilege Vulnerability
- CVE-2024-21345 Windows Kernel Elevation of Privilege Vulnerability
- CVE-2024-21353 Microsoft WDAC ODBC Driver Remote Code Execution Vulnerability
- CVE-2025-55697 Azure Local Elevation of Privilege Vulnerability
- CVE-2025-21326 Internet Explorer Remote Code Execution Vulnerability
Sources
Also known as GHSA-wwcg-p45r-pv65.