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CVE record · CVE-2026-21093

Stack-based buffer overflow in Samsung Mobile Devices

CVSS 5.6 MediumEPSS 0.0014 · 3rd percentile

Published by the CVE Program (CNA: SamsungMobile) at 9 Sept 2026, 04:47 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
VendorProductVersions
Samsung Mobile Samsung Mobile Devices
  • unaffected SMR Sep-2026 Release in Android 14, 15, 16, 17 to before * semver
Other versions: affected
Identifiers
CVE-2026-21093
CNA
SamsungMobile
Weakness (CWE)
CWE-121
Tags
Published
9 Sept 2026
Updated
10 Sept 2026

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

ScoreRatingCVSSVectorSource
5.6 Medium 4.0 CVSS:4.0/AV:L/AC:H/AT:P/PR:H/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N CNA (SamsungMobile)
  • CISA KEV Not listed.
  • EPSS 0.0014, the 3rd percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 9 Sept 2026. New records show when each source confirmed them.

Sources

References from the CNA

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.