CVE-2026-21021 Privilege escalation in Samsung Mobile Devices
Medium 5.1
Published
Updated
Check this codebase for CVE-2026-21021 and fix it if it is affected.
What it is: CVE-2026-21021 is a medium-severity vulnerability in Samsung Android, published on 13 May 2026. 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-2026-21021 in the wild and no public exploit code.
Affected product: Samsung Android. 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-2026-21021/ (Markdown: https://insights.sbomify.com/CVE-2026-21021/index.md)
Physical attackers can launch privileged activity due to improper input validation in Samsung mobile routines.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-21021?
CVE-2026-21021 is a medium-severity vulnerability in Samsung Android, published on 13 May 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Improper input validation in Routines prior to SMR May-2026 Release 1 allows physical attackers to launch privileged activity.
Which versions are affected by CVE-2026-21021?
It affects 1 product.
Products include Samsung Android.
How do I fix CVE-2026-21021?
No fix has been published for CVE-2026-21021 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-21021 being exploited?
There is no known exploitation of CVE-2026-21021 in the wild and no public exploit code.
Other vulnerabilities in Samsung Android
Sources
Also known as GHSA-rfpf-6h77-7xh3.