CVE-2021-43768 Privilege escalation in n/a
Medium 5.3
Published
Updated
Check this codebase for CVE-2021-43768 and fix it if it is affected.
What it is: CVE-2021-43768 is a medium-severity vulnerability in n/a, published on 24 Oct 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2021-43768 in the wild and no public exploit code.
Affected product: n/a. 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-2021-43768/ (Markdown: https://insights.sbomify.com/CVE-2021-43768/index.md)
Attackers can escalate privileges via the COM interface in Malwarebytes for Teams, requiring an upgrade to the latest version.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-43768?
CVE-2021-43768 is a medium-severity vulnerability in n/a, published on 24 Oct 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
In Malwarebytes For Teams v.1.0.990 and before and fixed in v.1.0.1003 and later a privilege escalation can occur via the COM interface running in mbamservice.exe.
Weakness: CWE-269
Which versions are affected by CVE-2021-43768?
How do I fix CVE-2021-43768?
No fix has been published for CVE-2021-43768 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-43768 being exploited?
There is no known exploitation of CVE-2021-43768 in the wild and no public exploit code.
Sources
Also known as GHSA-827v-5cfw-5pr5.