CVE-2026-21139
No known exploitation. EPSS puts it in the 2nd percentile. Fixed in 4.6.1217.0.
No public exploit knownFix4.6.1217.0Upgrade to this build
No ready-made check. Neither Nuclei nor OpenVAS has one for this CVE yet.
What to do
Find your product and version, then upgrade to the build on the right.
- Samsung Mobile Samsung Continuity Service for windowsFixed builds4.6.1217.0Stated by: CVE record
Versions as the sources state them. Full version matrix after sign-in
What it is
From the CVE record
Improper access control in Samsung Continuity Service for windows prior to version 4.6.1217.0 allows adjacent attackers to manipulate the connected mobile device.
In plain language
No plain-language summary for this CVE yet.
Exploitation
Where each signal puts this CVE on the scale from published to confirmed exploited.
- CISA KEV
Not in the catalog. CISA has not confirmed exploitation.
- Public exploits
No public exploit or proof of concept found in the sources we track.
- EPSS
0.1% chance of exploitation activity in the next 30 days, which ranks it in the 2nd percentile of scored CVEs.
Exploit Prediction Scoring System, FIRST.org. A probability, not a confirmation.
Lifecycle
4 events over 3 days, from the signal feeds we watch.
- Record updated
- Record updated
- Publishedrecord updated
Affected products
Sources
References in the record
Watch the software you run.
My Stack ranks new CVEs for your products by real-world exploitation, so the next serious one reaches you without reading every advisory.
We'll flag the next CVE, public exploit or patch for Samsung Mobile, not every advisory.
A free account adds
- The full version matrix and every affected product
- Exploit links, proofs of concept and Metasploit modules
- Email alerts for the products you watch
- The same data over REST API, MCP and CLI