CVE-2026-21021

MEDIUM
Published May 13, 2026 Modified May 13, 2026

Description

Improper input validation in Routines prior to SMR May-2026 Release 1 allows physical attackers to launch privileged activity.

CVSS v3.1 Score

6.8
MEDIUM
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS — Exploit Prediction

0.0005
Probability of exploitation
0.14%
Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Affected Products

Vendor Product
samsung android
samsung android
samsung android
samsung android
samsung android
samsung android
samsung android
samsung android
samsung android
samsung android

References

Frequently Asked Questions

What is CVE-2026-21021? +
Improper input validation in Routines prior to SMR May-2026 Release 1 allows physical attackers to launch privileged activity. It has a CVSS v3.1 base score of 6.8 (MEDIUM).
How severe is CVE-2026-21021? +
CVE-2026-21021 has a CVSS v3.1 score of 6.8 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance. The EPSS score is 0.0005, placing it in the 0th percentile for exploitation probability.
What products are affected by CVE-2026-21021? +
CVE-2026-21021 affects products from samsung, specifically: android. Check the affected products table above for specific version ranges.
How do I check if I'm vulnerable to CVE-2026-21021? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

Related Vulnerabilities

CVE-2025-53075 9.8

Improper Input Validation vulnerability in Samsung Open Source rLottie allows Path Traversal.This issue affects rLottie: V0.2.
CVE-2025-0634 9.8

Use After Free vulnerability in Samsung Open Source rLottie allows Remote Code Inclusion.This issue affects rLottie: V0.2.
CVE-2025-53076 9.8

Improper Input Validation vulnerability in Samsung Open Source rLottie allows Overread Buffers.This issue affects rLottie: V0.2.
CVE-2025-54442 9.8

Unrestricted Upload of File with Dangerous Type vulnerability in Samsung Electronics MagicINFO 9 Server allows Code Injection.This issue affects MagicINFO …
CVE-2025-54443 9.8

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability in Samsung Electronics MagicINFO 9 Server allows Upload …
CVE-2025-54440 9.8

Unrestricted Upload of File with Dangerous Type vulnerability in Samsung Electronics MagicINFO 9 Server allows Code Injection.This issue affects MagicINFO …

Don't wait for an exploit

Scan your website for vulnerabilities like CVE-2026-21021 — free, no signup required.

Start Free Scan