CVE-2022-26940 Remote Desktop Protocol Client Information Disclosure Vulnerability
Medium 6.5
Published
Updated
Check this codebase for CVE-2022-26940 and fix it if it is affected.
What it is: CVE-2022-26940 is a medium-severity vulnerability in Microsoft Windows 11, published on 10 May 2022. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2022-26940 in the wild and no public exploit code.
Affected product: Microsoft Windows 11. 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-2022-26940/ (Markdown: https://insights.sbomify.com/CVE-2022-26940/index.md)
An attacker can exploit the Remote Desktop Protocol client to disclose sensitive information to unauthorized users.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2022-26940?
CVE-2022-26940 is a medium-severity vulnerability in Microsoft Windows 11, published on 10 May 2022. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Remote Desktop Protocol Client Information Disclosure Vulnerability
Which versions are affected by CVE-2022-26940?
It affects 3 products.
Products include Microsoft Remote Desktop Client, Microsoft Windows 11, Microsoft Windows Server 2022.
How do I fix CVE-2022-26940?
No fix has been published for CVE-2022-26940 yet. Limit exposure of the affected software until one is available.
Is CVE-2022-26940 being exploited?
There is no known exploitation of CVE-2022-26940 in the wild and no public exploit code.
Other vulnerabilities in Microsoft Windows 11
- CVE-2026-78463 Remote Desktop Client Remote Code Execution Vulnerability
- CVE-2026-80074 Remote Desktop Client Remote Code Execution Vulnerability
- CVE-2026-80077 Remote Desktop Client Remote Code Execution Vulnerability
- CVE-2026-42985 Remote Desktop Client Remote Code Execution Vulnerability
- CVE-2026-32157 Remote Desktop Client Remote Code Execution Vulnerability
Sources
Also known as GHSA-r3g9-4c8x-fwv7.