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CVE-2026-21018

MEDIUMCVSS 6.8/10EPSS 0.15%

Last modified

CVE-2026-21018 is a medium-severity vulnerability rated 6.8/10 on the CVSS scale. Out-of-bounds write in SveService prior to SMR May-2026 Release 1 allows local privileged attackers to execute arbitrary code.. EPSS estimates a 0.15% chance of exploitation in the next 30 days.

Description

Out-of-bounds write in SveService prior to SMR May-2026 Release 1 allows local privileged attackers to execute arbitrary code.

Metrics

CVSS 3.1
6.7/10

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

CVSS 4.0
6.8/10

CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:H/VA:H/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
0.15%

5.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
SamsungAndroid14.0
SamsungAndroid15.0
SamsungAndroid16.0

References

Timeline

Published
Last Modified
Status
Analyzed

Frequently Asked Questions

What is CVE-2026-21018?
Out-of-bounds write in SveService prior to SMR May-2026 Release 1 allows local privileged attackers to execute arbitrary code.
How severe is CVE-2026-21018?
CVE-2026-21018 has a CVSS score of 6.8/10 (MEDIUM severity). The EPSS model estimates a 0.15% probability of exploitation in the next 30 days.
How do I fix CVE-2026-21018?
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.

Are you affected by CVE-2026-21018?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST