CVE-2026-21053

MEDIUMCVSS 5.1/10EPSS 0.11%

Last modified

CVE-2026-21053 is a medium-severity vulnerability rated 5.1/10 on the CVSS scale. Improper input validation in Samsung Email prior to version 6.2.13.1 allows local attackers to create arbitrary files within the application sandbox.. EPSS estimates a 0.11% chance of exploitation in the next 30 days.

Description

Improper input validation in Samsung Email prior to version 6.2.13.1 allows local attackers to create arbitrary files within the application sandbox.

Metrics

CVSS 4.0
5.1/10

CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS Probability
0.11%

1.6th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
Samsung MobileSamsung EmailAll versions

References

Timeline

Published
Last Modified
Status
Deferred

Frequently Asked Questions

What is CVE-2026-21053?
Improper input validation in Samsung Email prior to version 6.2.13.1 allows local attackers to create arbitrary files within the application sandbox.
How severe is CVE-2026-21053?
CVE-2026-21053 has a CVSS score of 5.1/10 (MEDIUM severity). The EPSS model estimates a 0.11% probability of exploitation in the next 30 days.
How do I fix CVE-2026-21053?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST