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.
Improper input validation in Samsung Email prior to version 6.2.13.1 allows local attackers to create arbitrary files within the application sandbox.
Details
Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2026-21053
Exploitation outlook
EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.
- Low exploitation riskCVE-2026-210530.11% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 2% of all scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-21053 | coverage & exploitation status | NVD · CVE.org |
Recent advisories for Improper input validation
A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.
- highCVE-2026-40454: Out-of-bounds Read, Improper Input Validation vulnerability in Apache IoTDB C++ client. Out-of…nvd · 2026-07-10
- unknownCVE-2026-21057: Improper input validation in Samsung Pass prior to version 5.2.10.3 allows local privileged at…nvd · 2026-07-10
- highCVE-2026-15288: The SureForms – Drag and Drop Form Builder for WordPress plugin for WordPress is vulnerable to…nvd · 2026-07-10
- highCVE-2026-57026: An Improper Validation of Syntactic Correctness of Input vulnerability in the SIP plugin of Ju…nvd · 2026-07-09
- highCVE-2026-57023: An Improper Validation of Specified Quantity in Input vulnerability in the TCP proxy plugin of…nvd · 2026-07-09
- mediumCVE-2026-57019: An Improper Validation of Specified Quantity in Input vulnerability in the Packet Forwarding E…nvd · 2026-07-09
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